68486980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{118081}}^1$

素因数の和:118119

約数の個数: 24

約数和(自身を含む): 148783320

約数和(自身を除く): 80296340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 118081, 236162, 472324, 590405, 1180810, 2361620, 3424349, 6848698, 13697396, 17121745, 34243490, 68486980]

約数ペア:

[(1, 68486980), (2, 34243490), (4, 17121745), (5, 13697396), (10, 6848698), (20, 3424349), (29, 2361620), (58, 1180810), (116, 590405), (145, 472324), (290, 236162), (580, 118081)]