4005000

素因数分解:

$2^3\times 3^2\times 5^4\times {\mathrm{89}}^1$

素因数の和:121

約数の個数: 120

約数和(自身を含む): 13706550

約数和(自身を除く): 9701550

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 89, 90, 100, 120, 125, 150, 178, 180, 200, 225, 250, 267, 300, 356, 360, 375, 445, 450, 500, 534, 600, 625, 712, 750, 801, 890, 900, 1000, 1068, 1125, 1250, 1335, 1500, 1602, 1780, 1800, 1875, 2136, 2225, 2250, 2500, 2670, 3000, 3204, 3560, 3750, 4005, 4450, 4500, 5000, 5340, 5625, 6408, 6675, 7500, 8010, 8900, 9000, 10680, 11125, 11250, 13350, 15000, 16020, 17800, 20025, 22250, 22500, 26700, 32040, 33375, 40050, 44500, 45000, 53400, 55625, 66750, 80100, 89000, 100125, 111250, 133500, 160200, 166875, 200250, 222500, 267000, 333750, 400500, 445000, 500625, 667500, 801000, 1001250, 1335000, 2002500, 4005000]

約数ペア:

[(1, 4005000), (2, 2002500), (3, 1335000), (4, 1001250), (5, 801000), (6, 667500), (8, 500625), (9, 445000), (10, 400500), (12, 333750), (15, 267000), (18, 222500), (20, 200250), (24, 166875), (25, 160200), (30, 133500), (36, 111250), (40, 100125), (45, 89000), (50, 80100), (60, 66750), (72, 55625), (75, 53400), (89, 45000), (90, 44500), (100, 40050), (120, 33375), (125, 32040), (150, 26700), (178, 22500), (180, 22250), (200, 20025), (225, 17800), (250, 16020), (267, 15000), (300, 13350), (356, 11250), (360, 11125), (375, 10680), (445, 9000), (450, 8900), (500, 8010), (534, 7500), (600, 6675), (625, 6408), (712, 5625), (750, 5340), (801, 5000), (890, 4500), (900, 4450), (1000, 4005), (1068, 3750), (1125, 3560), (1250, 3204), (1335, 3000), (1500, 2670), (1602, 2500), (1780, 2250), (1800, 2225), (1875, 2136)]