4157980

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1637}}^1$

素因数の和:1773

約数の個数: 24

約数和(自身を含む): 8805888

約数和(自身を除く): 4647908

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 1637, 2540, 3274, 6548, 8185, 16370, 32740, 207899, 415798, 831596, 1039495, 2078990, 4157980]

約数ペア:

[(1, 4157980), (2, 2078990), (4, 1039495), (5, 831596), (10, 415798), (20, 207899), (127, 32740), (254, 16370), (508, 8185), (635, 6548), (1270, 3274), (1637, 2540)]