26571025

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:386

約数の個数: 36

約数和(自身を含む): 37668720

約数和(自身を除く): 11097695

約数列:

[1, 5, 13, 19, 25, 65, 95, 169, 247, 325, 331, 475, 845, 1235, 1655, 3211, 4225, 4303, 6175, 6289, 8275, 16055, 21515, 31445, 55939, 80275, 81757, 107575, 157225, 279695, 408785, 1062841, 1398475, 2043925, 5314205, 26571025]

約数ペア:

[(1, 26571025), (5, 5314205), (13, 2043925), (19, 1398475), (25, 1062841), (65, 408785), (95, 279695), (169, 157225), (247, 107575), (325, 81757), (331, 80275), (475, 55939), (845, 31445), (1235, 21515), (1655, 16055), (3211, 8275), (4225, 6289), (4303, 6175)]