67885940

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{47807}}^1$

素因数の和:47887

約数の個数: 24

約数和(自身を含む): 144571392

約数和(自身を除く): 76685452

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 47807, 95614, 191228, 239035, 478070, 956140, 3394297, 6788594, 13577188, 16971485, 33942970, 67885940]

約数ペア:

[(1, 67885940), (2, 33942970), (4, 16971485), (5, 13577188), (10, 6788594), (20, 3394297), (71, 956140), (142, 478070), (284, 239035), (355, 191228), (710, 95614), (1420, 47807)]