127551220

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{12241}}^1$

素因数の和:12771

約数の個数: 24

約数和(自身を含む): 268393608

約数和(自身を除く): 140842388

約数列:

[1, 2, 4, 5, 10, 20, 521, 1042, 2084, 2605, 5210, 10420, 12241, 24482, 48964, 61205, 122410, 244820, 6377561, 12755122, 25510244, 31887805, 63775610, 127551220]

約数ペア:

[(1, 127551220), (2, 63775610), (4, 31887805), (5, 25510244), (10, 12755122), (20, 6377561), (521, 244820), (1042, 122410), (2084, 61205), (2605, 48964), (5210, 24482), (10420, 12241)]