51370420

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{6101}}^1$

素因数の和:6531

約数の個数: 24

約数和(自身を含む): 108151848

約数和(自身を除く): 56781428

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 6101, 8420, 12202, 24404, 30505, 61010, 122020, 2568521, 5137042, 10274084, 12842605, 25685210, 51370420]

約数ペア:

[(1, 51370420), (2, 25685210), (4, 12842605), (5, 10274084), (10, 5137042), (20, 2568521), (421, 122020), (842, 61010), (1684, 30505), (2105, 24404), (4210, 12202), (6101, 8420)]