85816580

素因数分解:

$2^2\times 5^1\times {\mathrm{569}}^1\times {\mathrm{7541}}^1$

素因数の和:8119

約数の個数: 24

約数和(自身を含む): 180555480

約数和(自身を除く): 94738900

約数列:

[1, 2, 4, 5, 10, 20, 569, 1138, 2276, 2845, 5690, 7541, 11380, 15082, 30164, 37705, 75410, 150820, 4290829, 8581658, 17163316, 21454145, 42908290, 85816580]

約数ペア:

[(1, 85816580), (2, 42908290), (4, 21454145), (5, 17163316), (10, 8581658), (20, 4290829), (569, 150820), (1138, 75410), (2276, 37705), (2845, 30164), (5690, 15082), (7541, 11380)]