25661870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1811}}^1$

素因数の和:1940

約数の個数: 32

約数和(自身を含む): 50228640

約数和(自身を除く): 24566770

約数列:

[1, 2, 5, 10, 13, 26, 65, 109, 130, 218, 545, 1090, 1417, 1811, 2834, 3622, 7085, 9055, 14170, 18110, 23543, 47086, 117715, 197399, 235430, 394798, 986995, 1973990, 2566187, 5132374, 12830935, 25661870]

約数ペア:

[(1, 25661870), (2, 12830935), (5, 5132374), (10, 2566187), (13, 1973990), (26, 986995), (65, 394798), (109, 235430), (130, 197399), (218, 117715), (545, 47086), (1090, 23543), (1417, 18110), (1811, 14170), (2834, 9055), (3622, 7085)]