81259060

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131063}}^1$

素因数の和:131103

約数の個数: 24

約数和(自身を含む): 176150016

約数和(自身を除く): 94890956

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 131063, 262126, 524252, 655315, 1310630, 2621260, 4062953, 8125906, 16251812, 20314765, 40629530, 81259060]

約数ペア:

[(1, 81259060), (2, 40629530), (4, 20314765), (5, 16251812), (10, 8125906), (20, 4062953), (31, 2621260), (62, 1310630), (124, 655315), (155, 524252), (310, 262126), (620, 131063)]