7959850

素因数分解:

$2^1\times 5^2\times {\mathrm{397}}^1\times {\mathrm{401}}^1$

素因数の和:810

約数の個数: 24

約数和(自身を含む): 14879628

約数和(自身を除く): 6919778

約数列:

[1, 2, 5, 10, 25, 50, 397, 401, 794, 802, 1985, 2005, 3970, 4010, 9925, 10025, 19850, 20050, 159197, 318394, 795985, 1591970, 3979925, 7959850]

約数ペア:

[(1, 7959850), (2, 3979925), (5, 1591970), (10, 795985), (25, 318394), (50, 159197), (397, 20050), (401, 19850), (794, 10025), (802, 9925), (1985, 4010), (2005, 3970)]