79651625

素因数分解:

$5^3\times {\mathrm{643}}^1\times {\mathrm{991}}^1$

素因数の和:1649

約数の個数: 16

約数和(自身を含む): 99660288

約数和(自身を除く): 20008663

約数列:

[1, 5, 25, 125, 643, 991, 3215, 4955, 16075, 24775, 80375, 123875, 637213, 3186065, 15930325, 79651625]

約数ペア:

[(1, 79651625), (5, 15930325), (25, 3186065), (125, 637213), (643, 123875), (991, 80375), (3215, 24775), (4955, 16075)]