67704620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109201}}^1$

素因数の和:109241

約数の個数: 24

約数和(自身を含む): 146767488

約数和(自身を除く): 79062868

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 109201, 218402, 436804, 546005, 1092010, 2184020, 3385231, 6770462, 13540924, 16926155, 33852310, 67704620]

約数ペア:

[(1, 67704620), (2, 33852310), (4, 16926155), (5, 13540924), (10, 6770462), (20, 3385231), (31, 2184020), (62, 1092010), (124, 546005), (155, 436804), (310, 218402), (620, 109201)]