8512400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1637}}^1$

素因数の和:1668

約数の個数: 60

約数和(自身を含む): 22037652

約数和(自身を除く): 13525252

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 1637, 2600, 3274, 5200, 6548, 8185, 13096, 16370, 21281, 26192, 32740, 40925, 42562, 65480, 81850, 85124, 106405, 130960, 163700, 170248, 212810, 327400, 340496, 425620, 532025, 654800, 851240, 1064050, 1702480, 2128100, 4256200, 8512400]

約数ペア:

[(1, 8512400), (2, 4256200), (4, 2128100), (5, 1702480), (8, 1064050), (10, 851240), (13, 654800), (16, 532025), (20, 425620), (25, 340496), (26, 327400), (40, 212810), (50, 170248), (52, 163700), (65, 130960), (80, 106405), (100, 85124), (104, 81850), (130, 65480), (200, 42562), (208, 40925), (260, 32740), (325, 26192), (400, 21281), (520, 16370), (650, 13096), (1040, 8185), (1300, 6548), (1637, 5200), (2600, 3274)]