16574990

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{20981}}^1$

素因数の和:21067

約数の個数: 16

約数和(自身を含む): 30214080

約数和(自身を除く): 13639090

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 20981, 41962, 104905, 209810, 1657499, 3314998, 8287495, 16574990]

約数ペア:

[(1, 16574990), (2, 8287495), (5, 3314998), (10, 1657499), (79, 209810), (158, 104905), (395, 41962), (790, 20981)]