56780110

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{40849}}^1$

素因数の和:40995

約数の個数: 16

約数和(自身を含む): 102942000

約数和(自身を除く): 46161890

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 40849, 81698, 204245, 408490, 5678011, 11356022, 28390055, 56780110]

約数ペア:

[(1, 56780110), (2, 28390055), (5, 11356022), (10, 5678011), (139, 408490), (278, 204245), (695, 81698), (1390, 40849)]