80018765

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{193}}^1\times {\mathrm{821}}^1$

素因数の和:1120

約数の個数: 16

約数和(自身を含む): 97594416

約数和(自身を除く): 17575651

約数列:

[1, 5, 101, 193, 505, 821, 965, 4105, 19493, 82921, 97465, 158453, 414605, 792265, 16003753, 80018765]

約数ペア:

[(1, 80018765), (5, 16003753), (101, 792265), (193, 414605), (505, 158453), (821, 97465), (965, 82921), (4105, 19493)]