90423320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173891}}^1$

素因数の和:173915

約数の個数: 32

約数和(自身を含む): 219103920

約数和(自身を除く): 128680600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 173891, 347782, 695564, 869455, 1391128, 1738910, 2260583, 3477820, 4521166, 6955640, 9042332, 11302915, 18084664, 22605830, 45211660, 90423320]

約数ペア:

[(1, 90423320), (2, 45211660), (4, 22605830), (5, 18084664), (8, 11302915), (10, 9042332), (13, 6955640), (20, 4521166), (26, 3477820), (40, 2260583), (52, 1738910), (65, 1391128), (104, 869455), (130, 695564), (260, 347782), (520, 173891)]