28505240

素因数分解:

$2^3\times 5^1\times {\mathrm{712631}}^1$

素因数の和:712642

約数の個数: 16

約数和(自身を含む): 64136880

約数和(自身を除く): 35631640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 712631, 1425262, 2850524, 3563155, 5701048, 7126310, 14252620, 28505240]

約数ペア:

[(1, 28505240), (2, 14252620), (4, 7126310), (5, 5701048), (8, 3563155), (10, 2850524), (20, 1425262), (40, 712631)]