160621640

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{19031}}^1$

素因数の和:19253

約数の個数: 32

約数和(自身を含む): 363130560

約数和(自身を除く): 202508920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440, 19031, 38062, 76124, 95155, 152248, 190310, 380620, 761240, 4015541, 8031082, 16062164, 20077705, 32124328, 40155410, 80310820, 160621640]

約数ペア:

[(1, 160621640), (2, 80310820), (4, 40155410), (5, 32124328), (8, 20077705), (10, 16062164), (20, 8031082), (40, 4015541), (211, 761240), (422, 380620), (844, 190310), (1055, 152248), (1688, 95155), (2110, 76124), (4220, 38062), (8440, 19031)]