48915640

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{3907}}^1$

素因数の和:4231

約数の個数: 32

約数和(自身を含む): 110440080

約数和(自身を除く): 61524440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 3907, 6260, 7814, 12520, 15628, 19535, 31256, 39070, 78140, 156280, 1222891, 2445782, 4891564, 6114455, 9783128, 12228910, 24457820, 48915640]

約数ペア:

[(1, 48915640), (2, 24457820), (4, 12228910), (5, 9783128), (8, 6114455), (10, 4891564), (20, 2445782), (40, 1222891), (313, 156280), (626, 78140), (1252, 39070), (1565, 31256), (2504, 19535), (3130, 15628), (3907, 12520), (6260, 7814)]