80345960

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{12323}}^1$

素因数の和:12497

約数の個数: 32

約数和(自身を含む): 181902240

約数和(自身を除く): 101556280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 12323, 24646, 49292, 61615, 98584, 123230, 246460, 492920, 2008649, 4017298, 8034596, 10043245, 16069192, 20086490, 40172980, 80345960]

約数ペア:

[(1, 80345960), (2, 40172980), (4, 20086490), (5, 16069192), (8, 10043245), (10, 8034596), (20, 4017298), (40, 2008649), (163, 492920), (326, 246460), (652, 123230), (815, 98584), (1304, 61615), (1630, 49292), (3260, 24646), (6520, 12323)]