87990200

素因数分解:

$2^3\times 5^2\times {\mathrm{79}}^1\times {\mathrm{5569}}^1$

素因数の和:5664

約数の個数: 48

約数和(自身を含む): 207204000

約数和(自身を除く): 119213800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 158, 200, 316, 395, 632, 790, 1580, 1975, 3160, 3950, 5569, 7900, 11138, 15800, 22276, 27845, 44552, 55690, 111380, 139225, 222760, 278450, 439951, 556900, 879902, 1113800, 1759804, 2199755, 3519608, 4399510, 8799020, 10998775, 17598040, 21997550, 43995100, 87990200]

約数ペア:

[(1, 87990200), (2, 43995100), (4, 21997550), (5, 17598040), (8, 10998775), (10, 8799020), (20, 4399510), (25, 3519608), (40, 2199755), (50, 1759804), (79, 1113800), (100, 879902), (158, 556900), (200, 439951), (316, 278450), (395, 222760), (632, 139225), (790, 111380), (1580, 55690), (1975, 44552), (3160, 27845), (3950, 22276), (5569, 15800), (7900, 11138)]