63857680

素因数分解:

$2^4\times 5^1\times {\mathrm{798221}}^1$

素因数の和:798234

約数の個数: 20

約数和(自身を含む): 148469292

約数和(自身を除く): 84611612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 798221, 1596442, 3192884, 3991105, 6385768, 7982210, 12771536, 15964420, 31928840, 63857680]

約数ペア:

[(1, 63857680), (2, 31928840), (4, 15964420), (5, 12771536), (8, 7982210), (10, 6385768), (16, 3991105), (20, 3192884), (40, 1596442), (80, 798221)]