81156070

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{49789}}^1$

素因数の和:49959

約数の個数: 16

約数和(自身を含む): 146980080

約数和(自身を除く): 65824010

約数列:

[1, 2, 5, 10, 163, 326, 815, 1630, 49789, 99578, 248945, 497890, 8115607, 16231214, 40578035, 81156070]

約数ペア:

[(1, 81156070), (2, 40578035), (5, 16231214), (10, 8115607), (163, 497890), (326, 248945), (815, 99578), (1630, 49789)]