31509399220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{121189997}}^1$

素因数の和:121190019

約数の個数: 24

約数和(自身を含む): 71259718824

約数和(自身を除く): 39750319604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 121189997, 242379994, 484759988, 605949985, 1211899970, 1575469961, 2423799940, 3150939922, 6301879844, 7877349805, 15754699610, 31509399220]

約数ペア:

[(1, 31509399220), (2, 15754699610), (4, 7877349805), (5, 6301879844), (10, 3150939922), (13, 2423799940), (20, 1575469961), (26, 1211899970), (52, 605949985), (65, 484759988), (130, 242379994), (260, 121189997)]