28164560

素因数分解:

$2^4\times 5^1\times {\mathrm{352057}}^1$

素因数の和:352070

約数の個数: 20

約数和(自身を含む): 65482788

約数和(自身を除く): 37318228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 352057, 704114, 1408228, 1760285, 2816456, 3520570, 5632912, 7041140, 14082280, 28164560]

約数ペア:

[(1, 28164560), (2, 14082280), (4, 7041140), (5, 5632912), (8, 3520570), (10, 2816456), (16, 1760285), (20, 1408228), (40, 704114), (80, 352057)]