85405240

素因数分解:

$2^3\times 5^1\times {\mathrm{787}}^1\times {\mathrm{2713}}^1$

素因数の和:3511

約数の個数: 32

約数和(自身を含む): 192476880

約数和(自身を除く): 107071640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 787, 1574, 2713, 3148, 3935, 5426, 6296, 7870, 10852, 13565, 15740, 21704, 27130, 31480, 54260, 108520, 2135131, 4270262, 8540524, 10675655, 17081048, 21351310, 42702620, 85405240]

約数ペア:

[(1, 85405240), (2, 42702620), (4, 21351310), (5, 17081048), (8, 10675655), (10, 8540524), (20, 4270262), (40, 2135131), (787, 108520), (1574, 54260), (2713, 31480), (3148, 27130), (3935, 21704), (5426, 15740), (6296, 13565), (7870, 10852)]