40020000

素因数分解:

$2^5\times 3^1\times 5^4\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:85

約数の個数: 240

約数和(自身を含む): 141704640

約数和(自身を除く): 101684640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 25, 29, 30, 32, 40, 46, 48, 50, 58, 60, 69, 75, 80, 87, 92, 96, 100, 115, 116, 120, 125, 138, 145, 150, 160, 174, 184, 200, 230, 232, 240, 250, 276, 290, 300, 345, 348, 368, 375, 400, 435, 460, 464, 480, 500, 552, 575, 580, 600, 625, 667, 690, 696, 725, 736, 750, 800, 870, 920, 928, 1000, 1104, 1150, 1160, 1200, 1250, 1334, 1380, 1392, 1450, 1500, 1725, 1740, 1840, 1875, 2000, 2001, 2175, 2208, 2300, 2320, 2400, 2500, 2668, 2760, 2784, 2875, 2900, 3000, 3335, 3450, 3480, 3625, 3680, 3750, 4000, 4002, 4350, 4600, 4640, 5000, 5336, 5520, 5750, 5800, 6000, 6670, 6900, 6960, 7250, 7500, 8004, 8625, 8700, 9200, 10000, 10005, 10672, 10875, 11040, 11500, 11600, 12000, 13340, 13800, 13920, 14375, 14500, 15000, 16008, 16675, 17250, 17400, 18125, 18400, 20000, 20010, 21344, 21750, 23000, 23200, 26680, 27600, 28750, 29000, 30000, 32016, 33350, 34500, 34800, 36250, 40020, 43125, 43500, 46000, 50025, 53360, 54375, 55200, 57500, 58000, 60000, 64032, 66700, 69000, 69600, 72500, 80040, 83375, 86250, 87000, 92000, 100050, 106720, 108750, 115000, 116000, 133400, 138000, 145000, 160080, 166750, 172500, 174000, 200100, 217500, 230000, 250125, 266800, 276000, 290000, 320160, 333500, 345000, 348000, 400200, 416875, 435000, 460000, 500250, 533600, 580000, 667000, 690000, 800400, 833750, 870000, 1000500, 1250625, 1334000, 1380000, 1600800, 1667500, 1740000, 2001000, 2501250, 2668000, 3335000, 4002000, 5002500, 6670000, 8004000, 10005000, 13340000, 20010000, 40020000]

約数ペア:

[(1, 40020000), (2, 20010000), (3, 13340000), (4, 10005000), (5, 8004000), (6, 6670000), (8, 5002500), (10, 4002000), (12, 3335000), (15, 2668000), (16, 2501250), (20, 2001000), (23, 1740000), (24, 1667500), (25, 1600800), (29, 1380000), (30, 1334000), (32, 1250625), (40, 1000500), (46, 870000), (48, 833750), (50, 800400), (58, 690000), (60, 667000), (69, 580000), (75, 533600), (80, 500250), (87, 460000), (92, 435000), (96, 416875), (100, 400200), (115, 348000), (116, 345000), (120, 333500), (125, 320160), (138, 290000), (145, 276000), (150, 266800), (160, 250125), (174, 230000), (184, 217500), (200, 200100), (230, 174000), (232, 172500), (240, 166750), (250, 160080), (276, 145000), (290, 138000), (300, 133400), (345, 116000), (348, 115000), (368, 108750), (375, 106720), (400, 100050), (435, 92000), (460, 87000), (464, 86250), (480, 83375), (500, 80040), (552, 72500), (575, 69600), (580, 69000), (600, 66700), (625, 64032), (667, 60000), (690, 58000), (696, 57500), (725, 55200), (736, 54375), (750, 53360), (800, 50025), (870, 46000), (920, 43500), (928, 43125), (1000, 40020), (1104, 36250), (1150, 34800), (1160, 34500), (1200, 33350), (1250, 32016), (1334, 30000), (1380, 29000), (1392, 28750), (1450, 27600), (1500, 26680), (1725, 23200), (1740, 23000), (1840, 21750), (1875, 21344), (2000, 20010), (2001, 20000), (2175, 18400), (2208, 18125), (2300, 17400), (2320, 17250), (2400, 16675), (2500, 16008), (2668, 15000), (2760, 14500), (2784, 14375), (2875, 13920), (2900, 13800), (3000, 13340), (3335, 12000), (3450, 11600), (3480, 11500), (3625, 11040), (3680, 10875), (3750, 10672), (4000, 10005), (4002, 10000), (4350, 9200), (4600, 8700), (4640, 8625), (5000, 8004), (5336, 7500), (5520, 7250), (5750, 6960), (5800, 6900), (6000, 6670)]