40794020

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{25819}}^1$

素因数の和:25907

約数の個数: 24

約数和(自身を含む): 86755200

約数和(自身を除く): 45961180

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 25819, 51638, 103276, 129095, 258190, 516380, 2039701, 4079402, 8158804, 10198505, 20397010, 40794020]

約数ペア:

[(1, 40794020), (2, 20397010), (4, 10198505), (5, 8158804), (10, 4079402), (20, 2039701), (79, 516380), (158, 258190), (316, 129095), (395, 103276), (790, 51638), (1580, 25819)]