89883820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{345707}}^1$

素因数の和:345729

約数の個数: 24

約数和(自身を含む): 203276304

約数和(自身を除く): 113392484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 345707, 691414, 1382828, 1728535, 3457070, 4494191, 6914140, 8988382, 17976764, 22470955, 44941910, 89883820]

約数ペア:

[(1, 89883820), (2, 44941910), (4, 22470955), (5, 17976764), (10, 8988382), (13, 6914140), (20, 4494191), (26, 3457070), (52, 1728535), (65, 1382828), (130, 691414), (260, 345707)]