31269160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{60133}}^1$

素因数の和:60157

約数の個数: 32

約数和(自身を含む): 75768840

約数和(自身を除く): 44499680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 60133, 120266, 240532, 300665, 481064, 601330, 781729, 1202660, 1563458, 2405320, 3126916, 3908645, 6253832, 7817290, 15634580, 31269160]

約数ペア:

[(1, 31269160), (2, 15634580), (4, 7817290), (5, 6253832), (8, 3908645), (10, 3126916), (13, 2405320), (20, 1563458), (26, 1202660), (40, 781729), (52, 601330), (65, 481064), (104, 300665), (130, 240532), (260, 120266), (520, 60133)]