66677540

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{26251}}^1$

素因数の和:26387

約数の個数: 24

約数和(自身を含む): 141130752

約数和(自身を除く): 74453212

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 26251, 52502, 105004, 131255, 262510, 525020, 3333877, 6667754, 13335508, 16669385, 33338770, 66677540]

約数ペア:

[(1, 66677540), (2, 33338770), (4, 16669385), (5, 13335508), (10, 6667754), (20, 3333877), (127, 525020), (254, 262510), (508, 131255), (635, 105004), (1270, 52502), (2540, 26251)]