80493452432

素因数分解:

$2^4\times {\mathrm{239}}^1\times {\mathrm{21049543}}^1$

素因数の和:21049790

約数の個数: 20

約数和(自身を含む): 156608607360

約数和(自身を除く): 76115154928

約数列:

[1, 2, 4, 8, 16, 239, 478, 956, 1912, 3824, 21049543, 42099086, 84198172, 168396344, 336792688, 5030840777, 10061681554, 20123363108, 40246726216, 80493452432]

約数ペア:

[(1, 80493452432), (2, 40246726216), (4, 20123363108), (8, 10061681554), (16, 5030840777), (239, 336792688), (478, 168396344), (956, 84198172), (1912, 42099086), (3824, 21049543)]