8637850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:259

約数の個数: 48

約数和(自身を含む): 17608248

約数和(自身を除く): 8970398

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 97, 130, 137, 194, 274, 325, 485, 650, 685, 970, 1261, 1370, 1781, 2425, 2522, 3425, 3562, 4850, 6305, 6850, 8905, 12610, 13289, 17810, 26578, 31525, 44525, 63050, 66445, 89050, 132890, 172757, 332225, 345514, 664450, 863785, 1727570, 4318925, 8637850]

約数ペア:

[(1, 8637850), (2, 4318925), (5, 1727570), (10, 863785), (13, 664450), (25, 345514), (26, 332225), (50, 172757), (65, 132890), (97, 89050), (130, 66445), (137, 63050), (194, 44525), (274, 31525), (325, 26578), (485, 17810), (650, 13289), (685, 12610), (970, 8905), (1261, 6850), (1370, 6305), (1781, 4850), (2425, 3562), (2522, 3425)]