31952080

素因数分解:

$2^4\times 5^1\times {\mathrm{399401}}^1$

素因数の和:399414

約数の個数: 20

約数和(自身を含む): 74288772

約数和(自身を除く): 42336692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 399401, 798802, 1597604, 1997005, 3195208, 3994010, 6390416, 7988020, 15976040, 31952080]

約数ペア:

[(1, 31952080), (2, 15976040), (4, 7988020), (5, 6390416), (8, 3994010), (10, 3195208), (16, 1997005), (20, 1597604), (40, 798802), (80, 399401)]