208734560

素因数分解:

$2^5\times 5^1\times {\mathrm{1304591}}^1$

素因数の和:1304606

約数の個数: 24

約数和(自身を含む): 493135776

約数和(自身を除く): 284401216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1304591, 2609182, 5218364, 6522955, 10436728, 13045910, 20873456, 26091820, 41746912, 52183640, 104367280, 208734560]

約数ペア:

[(1, 208734560), (2, 104367280), (4, 52183640), (5, 41746912), (8, 26091820), (10, 20873456), (16, 13045910), (20, 10436728), (32, 6522955), (40, 5218364), (80, 2609182), (160, 1304591)]