91788125

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1$

素因数の和:136

約数の個数: 60

約数和(自身を含む): 137206080

約数和(自身を除く): 45417955

約数列:

[1, 5, 11, 13, 25, 55, 65, 79, 125, 143, 169, 275, 325, 395, 625, 715, 845, 869, 1027, 1375, 1625, 1859, 1975, 3575, 4225, 4345, 5135, 6875, 8125, 9295, 9875, 11297, 13351, 17875, 21125, 21725, 25675, 46475, 49375, 56485, 66755, 89375, 105625, 108625, 128375, 146861, 232375, 282425, 333775, 543125, 641875, 734305, 1161875, 1412125, 1668875, 3671525, 7060625, 8344375, 18357625, 91788125]

約数ペア:

[(1, 91788125), (5, 18357625), (11, 8344375), (13, 7060625), (25, 3671525), (55, 1668875), (65, 1412125), (79, 1161875), (125, 734305), (143, 641875), (169, 543125), (275, 333775), (325, 282425), (395, 232375), (625, 146861), (715, 128375), (845, 108625), (869, 105625), (1027, 89375), (1375, 66755), (1625, 56485), (1859, 49375), (1975, 46475), (3575, 25675), (4225, 21725), (4345, 21125), (5135, 17875), (6875, 13351), (8125, 11297), (9295, 9875)]