66252980

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{20323}}^1$

素因数の和:20495

約数の個数: 24

約数和(自身を含む): 139991712

約数和(自身を除く): 73738732

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 20323, 40646, 81292, 101615, 203230, 406460, 3312649, 6625298, 13250596, 16563245, 33126490, 66252980]

約数ペア:

[(1, 66252980), (2, 33126490), (4, 16563245), (5, 13250596), (10, 6625298), (20, 3312649), (163, 406460), (326, 203230), (652, 101615), (815, 81292), (1630, 40646), (3260, 20323)]