15974960

素因数分解:

$2^4\times 5^1\times {\mathrm{199687}}^1$

素因数の和:199700

約数の個数: 20

約数和(自身を含む): 37141968

約数和(自身を除く): 21167008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199687, 399374, 798748, 998435, 1597496, 1996870, 3194992, 3993740, 7987480, 15974960]

約数ペア:

[(1, 15974960), (2, 7987480), (4, 3993740), (5, 3194992), (8, 1996870), (10, 1597496), (16, 998435), (20, 798748), (40, 399374), (80, 199687)]