90020800

素因数分解:

$2^6\times 5^2\times {\mathrm{56263}}^1$

素因数の和:56285

約数の個数: 42

約数和(自身を含む): 221511368

約数和(自身を除く): 131490568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 56263, 112526, 225052, 281315, 450104, 562630, 900208, 1125260, 1406575, 1800416, 2250520, 2813150, 3600832, 4501040, 5626300, 9002080, 11252600, 18004160, 22505200, 45010400, 90020800]

約数ペア:

[(1, 90020800), (2, 45010400), (4, 22505200), (5, 18004160), (8, 11252600), (10, 9002080), (16, 5626300), (20, 4501040), (25, 3600832), (32, 2813150), (40, 2250520), (50, 1800416), (64, 1406575), (80, 1125260), (100, 900208), (160, 562630), (200, 450104), (320, 281315), (400, 225052), (800, 112526), (1600, 56263)]