81260390

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{49853}}^1$

素因数の和:50023

約数の個数: 16

約数和(自身を含む): 147169008

約数和(自身を除く): 65908618

約数列:

[1, 2, 5, 10, 163, 326, 815, 1630, 49853, 99706, 249265, 498530, 8126039, 16252078, 40630195, 81260390]

約数ペア:

[(1, 81260390), (2, 40630195), (5, 16252078), (10, 8126039), (163, 498530), (326, 249265), (815, 99706), (1630, 49853)]