68668540

素因数分解:

$2^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{10831}}^1$

素因数の和:11157

約数の個数: 24

約数和(自身を含む): 144672192

約数和(自身を除く): 76003652

約数列:

[1, 2, 4, 5, 10, 20, 317, 634, 1268, 1585, 3170, 6340, 10831, 21662, 43324, 54155, 108310, 216620, 3433427, 6866854, 13733708, 17167135, 34334270, 68668540]

約数ペア:

[(1, 68668540), (2, 34334270), (4, 17167135), (5, 13733708), (10, 6866854), (20, 3433427), (317, 216620), (634, 108310), (1268, 54155), (1585, 43324), (3170, 21662), (6340, 10831)]