13309964420

素因数分解:

$2^2\times 5^1\times {\mathrm{4231}}^1\times {\mathrm{157291}}^1$

素因数の和:161531

約数の個数: 24

約数和(自身を含む): 27957709248

約数和(自身を除く): 14647744828

約数列:

[1, 2, 4, 5, 10, 20, 4231, 8462, 16924, 21155, 42310, 84620, 157291, 314582, 629164, 786455, 1572910, 3145820, 665498221, 1330996442, 2661992884, 3327491105, 6654982210, 13309964420]

約数ペア:

[(1, 13309964420), (2, 6654982210), (4, 3327491105), (5, 2661992884), (10, 1330996442), (20, 665498221), (4231, 3145820), (8462, 1572910), (16924, 786455), (21155, 629164), (42310, 314582), (84620, 157291)]