200508820

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{25253}}^1$

素因数の和:25659

約数の個数: 24

約数和(自身を含む): 422145864

約数和(自身を除く): 221637044

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 3970, 7940, 25253, 50506, 101012, 126265, 252530, 505060, 10025441, 20050882, 40101764, 50127205, 100254410, 200508820]

約数ペア:

[(1, 200508820), (2, 100254410), (4, 50127205), (5, 40101764), (10, 20050882), (20, 10025441), (397, 505060), (794, 252530), (1588, 126265), (1985, 101012), (3970, 50506), (7940, 25253)]