16464040

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{787}}^1$

素因数の和:1321

約数の個数: 32

約数和(自身を含む): 37162080

約数和(自身を除く): 20698040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 787, 1046, 1574, 2092, 2615, 3148, 3935, 4184, 5230, 6296, 7870, 10460, 15740, 20920, 31480, 411601, 823202, 1646404, 2058005, 3292808, 4116010, 8232020, 16464040]

約数ペア:

[(1, 16464040), (2, 8232020), (4, 4116010), (5, 3292808), (8, 2058005), (10, 1646404), (20, 823202), (40, 411601), (523, 31480), (787, 20920), (1046, 15740), (1574, 10460), (2092, 7870), (2615, 6296), (3148, 5230), (3935, 4184)]