28085240

素因数分解:

$2^3\times 5^1\times {\mathrm{702131}}^1$

素因数の和:702142

約数の個数: 16

約数和(自身を含む): 63191880

約数和(自身を除く): 35106640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 702131, 1404262, 2808524, 3510655, 5617048, 7021310, 14042620, 28085240]

約数ペア:

[(1, 28085240), (2, 14042620), (4, 7021310), (5, 5617048), (8, 3510655), (10, 2808524), (20, 1404262), (40, 702131)]