4107640

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{997}}^1$

素因数の和:1111

約数の個数: 32

約数和(自身を含む): 9341280

約数和(自身を除く): 5233640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 997, 1030, 1994, 2060, 3988, 4120, 4985, 7976, 9970, 19940, 39880, 102691, 205382, 410764, 513455, 821528, 1026910, 2053820, 4107640]

約数ペア:

[(1, 4107640), (2, 2053820), (4, 1026910), (5, 821528), (8, 513455), (10, 410764), (20, 205382), (40, 102691), (103, 39880), (206, 19940), (412, 9970), (515, 7976), (824, 4985), (997, 4120), (1030, 3988), (1994, 2060)]