68465680

素因数分解:

$2^4\times 5^1\times {\mathrm{855821}}^1$

素因数の和:855834

約数の個数: 20

約数和(自身を含む): 159182892

約数和(自身を除く): 90717212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 855821, 1711642, 3423284, 4279105, 6846568, 8558210, 13693136, 17116420, 34232840, 68465680]

約数ペア:

[(1, 68465680), (2, 34232840), (4, 17116420), (5, 13693136), (8, 8558210), (10, 6846568), (16, 4279105), (20, 3423284), (40, 1711642), (80, 855821)]