2590315880

素因数分解:

$2^3\times 5^1\times {\mathrm{64757897}}^1$

素因数の和:64757908

約数の個数: 16

約数和(自身を含む): 5828210820

約数和(自身を除く): 3237894940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 64757897, 129515794, 259031588, 323789485, 518063176, 647578970, 1295157940, 2590315880]

約数ペア:

[(1, 2590315880), (2, 1295157940), (4, 647578970), (5, 518063176), (8, 323789485), (10, 259031588), (20, 129515794), (40, 64757897)]