41781025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:107

約数の個数: 72

約数和(自身を含む): 65352960

約数和(自身を除く): 23571935

約数列:

[1, 5, 11, 13, 25, 29, 31, 55, 65, 143, 145, 155, 169, 275, 319, 325, 341, 377, 403, 715, 725, 775, 845, 899, 1595, 1705, 1859, 1885, 2015, 3575, 4147, 4225, 4433, 4495, 4901, 5239, 7975, 8525, 9295, 9425, 9889, 10075, 11687, 20735, 22165, 22475, 24505, 26195, 46475, 49445, 53911, 57629, 58435, 103675, 110825, 122525, 128557, 130975, 151931, 247225, 269555, 288145, 292175, 642785, 759655, 1347775, 1440725, 1671241, 3213925, 3798275, 8356205, 41781025]

約数ペア:

[(1, 41781025), (5, 8356205), (11, 3798275), (13, 3213925), (25, 1671241), (29, 1440725), (31, 1347775), (55, 759655), (65, 642785), (143, 292175), (145, 288145), (155, 269555), (169, 247225), (275, 151931), (319, 130975), (325, 128557), (341, 122525), (377, 110825), (403, 103675), (715, 58435), (725, 57629), (775, 53911), (845, 49445), (899, 46475), (1595, 26195), (1705, 24505), (1859, 22475), (1885, 22165), (2015, 20735), (3575, 11687), (4147, 10075), (4225, 9889), (4433, 9425), (4495, 9295), (4901, 8525), (5239, 7975)]