2565550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3947}}^1$

素因数の和:3972

約数の個数: 24

約数和(自身を含む): 5140296

約数和(自身を除く): 2574746

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 3947, 7894, 19735, 39470, 51311, 98675, 102622, 197350, 256555, 513110, 1282775, 2565550]

約数ペア:

[(1, 2565550), (2, 1282775), (5, 513110), (10, 256555), (13, 197350), (25, 102622), (26, 98675), (50, 51311), (65, 39470), (130, 19735), (325, 7894), (650, 3947)]