87580025

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1091}}^1$

素因数の和:1146

約数の個数: 36

約数和(自身を含む): 123898320

約数和(自身を除く): 36318295

約数列:

[1, 5, 13, 19, 25, 65, 95, 169, 247, 325, 475, 845, 1091, 1235, 3211, 4225, 5455, 6175, 14183, 16055, 20729, 27275, 70915, 80275, 103645, 184379, 269477, 354575, 518225, 921895, 1347385, 3503201, 4609475, 6736925, 17516005, 87580025]

約数ペア:

[(1, 87580025), (5, 17516005), (13, 6736925), (19, 4609475), (25, 3503201), (65, 1347385), (95, 921895), (169, 518225), (247, 354575), (325, 269477), (475, 184379), (845, 103645), (1091, 80275), (1235, 70915), (3211, 27275), (4225, 20729), (5455, 16055), (6175, 14183)]