80959990

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{102481}}^1$

素因数の和:102567

約数の個数: 16

約数和(自身を含む): 147574080

約数和(自身を除く): 66614090

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 102481, 204962, 512405, 1024810, 8095999, 16191998, 40479995, 80959990]

約数ペア:

[(1, 80959990), (2, 40479995), (5, 16191998), (10, 8095999), (79, 1024810), (158, 512405), (395, 204962), (790, 102481)]