200206520

素因数分解:

$2^3\times 5^1\times {\mathrm{2179}}^1\times {\mathrm{2297}}^1$

素因数の和:4487

約数の個数: 32

約数和(自身を含む): 450867600

約数和(自身を除く): 250661080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2179, 2297, 4358, 4594, 8716, 9188, 10895, 11485, 17432, 18376, 21790, 22970, 43580, 45940, 87160, 91880, 5005163, 10010326, 20020652, 25025815, 40041304, 50051630, 100103260, 200206520]

約数ペア:

[(1, 200206520), (2, 100103260), (4, 50051630), (5, 40041304), (8, 25025815), (10, 20020652), (20, 10010326), (40, 5005163), (2179, 91880), (2297, 87160), (4358, 45940), (4594, 43580), (8716, 22970), (9188, 21790), (10895, 18376), (11485, 17432)]