25659205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2111}}^1$

素因数の和:2157

約数の個数: 32

約数和(自身を含む): 38320128

約数和(自身を除く): 12660923

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 143, 187, 221, 715, 935, 1105, 2111, 2431, 10555, 12155, 23221, 27443, 35887, 116105, 137215, 179435, 301873, 394757, 466531, 1509365, 1973785, 2332655, 5131841, 25659205]

約数ペア:

[(1, 25659205), (5, 5131841), (11, 2332655), (13, 1973785), (17, 1509365), (55, 466531), (65, 394757), (85, 301873), (143, 179435), (187, 137215), (221, 116105), (715, 35887), (935, 27443), (1105, 23221), (2111, 12155), (2431, 10555)]