79885180

素因数分解:

$2^2\times 5^1\times {\mathrm{1013}}^1\times {\mathrm{3943}}^1$

素因数の和:4965

約数の個数: 24

約数和(自身を含む): 167967072

約数和(自身を除く): 88081892

約数列:

[1, 2, 4, 5, 10, 20, 1013, 2026, 3943, 4052, 5065, 7886, 10130, 15772, 19715, 20260, 39430, 78860, 3994259, 7988518, 15977036, 19971295, 39942590, 79885180]

約数ペア:

[(1, 79885180), (2, 39942590), (4, 19971295), (5, 15977036), (10, 7988518), (20, 3994259), (1013, 78860), (2026, 39430), (3943, 20260), (4052, 19715), (5065, 15772), (7886, 10130)]