2660804560

素因数分解:

$2^4\times 5^1\times {\mathrm{33260057}}^1$

素因数の和:33260070

約数の個数: 20

約数和(自身を含む): 6186370788

約数和(自身を除く): 3525566228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 33260057, 66520114, 133040228, 166300285, 266080456, 332600570, 532160912, 665201140, 1330402280, 2660804560]

約数ペア:

[(1, 2660804560), (2, 1330402280), (4, 665201140), (5, 532160912), (8, 332600570), (10, 266080456), (16, 166300285), (20, 133040228), (40, 66520114), (80, 33260057)]