3999550

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1951}}^1$

素因数の和:2004

約数の個数: 24

約数和(自身を含む): 7624512

約数和(自身を除く): 3624962

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 1951, 2050, 3902, 9755, 19510, 48775, 79991, 97550, 159982, 399955, 799910, 1999775, 3999550]

約数ペア:

[(1, 3999550), (2, 1999775), (5, 799910), (10, 399955), (25, 159982), (41, 97550), (50, 79991), (82, 48775), (205, 19510), (410, 9755), (1025, 3902), (1951, 2050)]