78905990

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{99881}}^1$

素因数の和:99967

約数の個数: 16

約数和(自身を含む): 143830080

約数和(自身を除く): 64924090

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 99881, 199762, 499405, 998810, 7890599, 15781198, 39452995, 78905990]

約数ペア:

[(1, 78905990), (2, 39452995), (5, 15781198), (10, 7890599), (79, 998810), (158, 499405), (395, 199762), (790, 99881)]