78860852020

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{38281967}}^1$

素因数の和:38282079

約数の個数: 24

約数和(自身を含む): 167215636224

約数和(自身を除く): 88354784204

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 38281967, 76563934, 153127868, 191409835, 382819670, 765639340, 3943042601, 7886085202, 15772170404, 19715213005, 39430426010, 78860852020]

約数ペア:

[(1, 78860852020), (2, 39430426010), (4, 19715213005), (5, 15772170404), (10, 7886085202), (20, 3943042601), (103, 765639340), (206, 382819670), (412, 191409835), (515, 153127868), (1030, 76563934), (2060, 38281967)]