81187675

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{991}}^1$

素因数の和:1143

約数の個数: 24

約数和(自身を含む): 105171840

約数和(自身を除く): 23984165

約数列:

[1, 5, 25, 29, 113, 145, 565, 725, 991, 2825, 3277, 4955, 16385, 24775, 28739, 81925, 111983, 143695, 559915, 718475, 2799575, 3247507, 16237535, 81187675]

約数ペア:

[(1, 81187675), (5, 16237535), (25, 3247507), (29, 2799575), (113, 718475), (145, 559915), (565, 143695), (725, 111983), (991, 81925), (2825, 28739), (3277, 24775), (4955, 16385)]