208032040

素因数分解:

$2^3\times 5^1\times {\mathrm{5200801}}^1$

素因数の和:5200812

約数の個数: 16

約数和(自身を含む): 468072180

約数和(自身を除く): 260040140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5200801, 10401602, 20803204, 26004005, 41606408, 52008010, 104016020, 208032040]

約数ペア:

[(1, 208032040), (2, 104016020), (4, 52008010), (5, 41606408), (8, 26004005), (10, 20803204), (20, 10401602), (40, 5200801)]