28498040

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{6917}}^1$

素因数の和:7031

約数の個数: 32

約数和(自身を含む): 64752480

約数和(自身を除く): 36254440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 6917, 13834, 27668, 34585, 55336, 69170, 138340, 276680, 712451, 1424902, 2849804, 3562255, 5699608, 7124510, 14249020, 28498040]

約数ペア:

[(1, 28498040), (2, 14249020), (4, 7124510), (5, 5699608), (8, 3562255), (10, 2849804), (20, 1424902), (40, 712451), (103, 276680), (206, 138340), (412, 69170), (515, 55336), (824, 34585), (1030, 27668), (2060, 13834), (4120, 6917)]