31707260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{121951}}^1$

素因数の和:121973

約数の個数: 24

約数和(自身を含む): 71707776

約数和(自身を除く): 40000516

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 121951, 243902, 487804, 609755, 1219510, 1585363, 2439020, 3170726, 6341452, 7926815, 15853630, 31707260]

約数ペア:

[(1, 31707260), (2, 15853630), (4, 7926815), (5, 6341452), (10, 3170726), (13, 2439020), (20, 1585363), (26, 1219510), (52, 609755), (65, 487804), (130, 243902), (260, 121951)]