55938025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{15647}}^1$

素因数の和:15681

約数の個数: 24

約数和(自身を含む): 81494784

約数和(自身を除く): 25556759

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 3575, 15647, 78235, 172117, 203411, 391175, 860585, 1017055, 2237521, 4302925, 5085275, 11187605, 55938025]

約数ペア:

[(1, 55938025), (5, 11187605), (11, 5085275), (13, 4302925), (25, 2237521), (55, 1017055), (65, 860585), (143, 391175), (275, 203411), (325, 172117), (715, 78235), (3575, 15647)]