31639940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1571}}^1$

素因数の和:1652

約数の個数: 48

約数和(自身を含む): 71305920

約数和(自身を除く): 39665980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 76, 95, 106, 190, 212, 265, 380, 530, 1007, 1060, 1571, 2014, 3142, 4028, 5035, 6284, 7855, 10070, 15710, 20140, 29849, 31420, 59698, 83263, 119396, 149245, 166526, 298490, 333052, 416315, 596980, 832630, 1581997, 1665260, 3163994, 6327988, 7909985, 15819970, 31639940]

約数ペア:

[(1, 31639940), (2, 15819970), (4, 7909985), (5, 6327988), (10, 3163994), (19, 1665260), (20, 1581997), (38, 832630), (53, 596980), (76, 416315), (95, 333052), (106, 298490), (190, 166526), (212, 149245), (265, 119396), (380, 83263), (530, 59698), (1007, 31420), (1060, 29849), (1571, 20140), (2014, 15710), (3142, 10070), (4028, 7855), (5035, 6284)]