80540018

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{479}}^1$

素因数の和:746

約数の個数: 32

約数和(自身を含む): 135475200

約数和(自身を除く): 54935182

約数列:

[1, 2, 13, 26, 29, 58, 223, 377, 446, 479, 754, 958, 2899, 5798, 6227, 6467, 12454, 12934, 13891, 27782, 84071, 106817, 168142, 180583, 213634, 361166, 1388621, 2777242, 3097693, 6195386, 40270009, 80540018]

約数ペア:

[(1, 80540018), (2, 40270009), (13, 6195386), (26, 3097693), (29, 2777242), (58, 1388621), (223, 361166), (377, 213634), (446, 180583), (479, 168142), (754, 106817), (958, 84071), (2899, 27782), (5798, 13891), (6227, 12934), (6467, 12454)]