40413020

素因数分解:

$2^2\times 5^1\times {\mathrm{971}}^1\times {\mathrm{2081}}^1$

素因数の和:3061

約数の個数: 24

約数和(自身を含む): 84995568

約数和(自身を除く): 44582548

約数列:

[1, 2, 4, 5, 10, 20, 971, 1942, 2081, 3884, 4162, 4855, 8324, 9710, 10405, 19420, 20810, 41620, 2020651, 4041302, 8082604, 10103255, 20206510, 40413020]

約数ペア:

[(1, 40413020), (2, 20206510), (4, 10103255), (5, 8082604), (10, 4041302), (20, 2020651), (971, 41620), (1942, 20810), (2081, 19420), (3884, 10405), (4162, 9710), (4855, 8324)]