7540000

素因数分解:

$2^5\times 5^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1$

素因数の和:72

約数の個数: 120

約数和(自身を含む): 20665260

約数和(自身を除く): 13125260

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 29, 32, 40, 50, 52, 58, 65, 80, 100, 104, 116, 125, 130, 145, 160, 200, 208, 232, 250, 260, 290, 325, 377, 400, 416, 464, 500, 520, 580, 625, 650, 725, 754, 800, 928, 1000, 1040, 1160, 1250, 1300, 1450, 1508, 1625, 1885, 2000, 2080, 2320, 2500, 2600, 2900, 3016, 3250, 3625, 3770, 4000, 4640, 5000, 5200, 5800, 6032, 6500, 7250, 7540, 8125, 9425, 10000, 10400, 11600, 12064, 13000, 14500, 15080, 16250, 18125, 18850, 20000, 23200, 26000, 29000, 30160, 32500, 36250, 37700, 47125, 52000, 58000, 60320, 65000, 72500, 75400, 94250, 116000, 130000, 145000, 150800, 188500, 235625, 260000, 290000, 301600, 377000, 471250, 580000, 754000, 942500, 1508000, 1885000, 3770000, 7540000]

約数ペア:

[(1, 7540000), (2, 3770000), (4, 1885000), (5, 1508000), (8, 942500), (10, 754000), (13, 580000), (16, 471250), (20, 377000), (25, 301600), (26, 290000), (29, 260000), (32, 235625), (40, 188500), (50, 150800), (52, 145000), (58, 130000), (65, 116000), (80, 94250), (100, 75400), (104, 72500), (116, 65000), (125, 60320), (130, 58000), (145, 52000), (160, 47125), (200, 37700), (208, 36250), (232, 32500), (250, 30160), (260, 29000), (290, 26000), (325, 23200), (377, 20000), (400, 18850), (416, 18125), (464, 16250), (500, 15080), (520, 14500), (580, 13000), (625, 12064), (650, 11600), (725, 10400), (754, 10000), (800, 9425), (928, 8125), (1000, 7540), (1040, 7250), (1160, 6500), (1250, 6032), (1300, 5800), (1450, 5200), (1508, 5000), (1625, 4640), (1885, 4000), (2000, 3770), (2080, 3625), (2320, 3250), (2500, 3016), (2600, 2900)]