39643220

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{15131}}^1$

素因数の和:15271

約数の個数: 24

約数和(自身を含む): 83891808

約数和(自身を除く): 44248588

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 15131, 30262, 60524, 75655, 151310, 302620, 1982161, 3964322, 7928644, 9910805, 19821610, 39643220]

約数ペア:

[(1, 39643220), (2, 19821610), (4, 9910805), (5, 7928644), (10, 3964322), (20, 1982161), (131, 302620), (262, 151310), (524, 75655), (655, 60524), (1310, 30262), (2620, 15131)]