39976940

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{2017}}^1$

素因数の和:3017

約数の個数: 24

約数和(自身を含む): 84077952

約数和(自身を除く): 44101012

約数列:

[1, 2, 4, 5, 10, 20, 991, 1982, 2017, 3964, 4034, 4955, 8068, 9910, 10085, 19820, 20170, 40340, 1998847, 3997694, 7995388, 9994235, 19988470, 39976940]

約数ペア:

[(1, 39976940), (2, 19988470), (4, 9994235), (5, 7995388), (10, 3997694), (20, 1998847), (991, 40340), (1982, 20170), (2017, 19820), (3964, 10085), (4034, 9910), (4955, 8068)]