8670800

素因数分解:

$2^4\times 5^2\times {\mathrm{53}}^1\times {\mathrm{409}}^1$

素因数の和:480

約数の個数: 60

約数和(自身を含む): 21276540

約数和(自身を除く): 12605740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 53, 80, 100, 106, 200, 212, 265, 400, 409, 424, 530, 818, 848, 1060, 1325, 1636, 2045, 2120, 2650, 3272, 4090, 4240, 5300, 6544, 8180, 10225, 10600, 16360, 20450, 21200, 21677, 32720, 40900, 43354, 81800, 86708, 108385, 163600, 173416, 216770, 346832, 433540, 541925, 867080, 1083850, 1734160, 2167700, 4335400, 8670800]

約数ペア:

[(1, 8670800), (2, 4335400), (4, 2167700), (5, 1734160), (8, 1083850), (10, 867080), (16, 541925), (20, 433540), (25, 346832), (40, 216770), (50, 173416), (53, 163600), (80, 108385), (100, 86708), (106, 81800), (200, 43354), (212, 40900), (265, 32720), (400, 21677), (409, 21200), (424, 20450), (530, 16360), (818, 10600), (848, 10225), (1060, 8180), (1325, 6544), (1636, 5300), (2045, 4240), (2120, 4090), (2650, 3272)]