8608820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{359}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 19958400

約数和(自身を除く): 11349580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 359, 436, 545, 718, 1090, 1199, 1436, 1795, 2180, 2398, 3590, 3949, 4796, 5995, 7180, 7898, 11990, 15796, 19745, 23980, 39131, 39490, 78262, 78980, 156524, 195655, 391310, 430441, 782620, 860882, 1721764, 2152205, 4304410, 8608820]

約数ペア:

[(1, 8608820), (2, 4304410), (4, 2152205), (5, 1721764), (10, 860882), (11, 782620), (20, 430441), (22, 391310), (44, 195655), (55, 156524), (109, 78980), (110, 78262), (218, 39490), (220, 39131), (359, 23980), (436, 19745), (545, 15796), (718, 11990), (1090, 7898), (1199, 7180), (1436, 5995), (1795, 4796), (2180, 3949), (2398, 3590)]