6740807720

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2133167}}^1$

素因数の和:2133257

約数の個数: 32

約数和(自身を含む): 15358809600

約数和(自身を除く): 8618001880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 2133167, 4266334, 8532668, 10665835, 17065336, 21331670, 42663340, 85326680, 168520193, 337040386, 674080772, 842600965, 1348161544, 1685201930, 3370403860, 6740807720]

約数ペア:

[(1, 6740807720), (2, 3370403860), (4, 1685201930), (5, 1348161544), (8, 842600965), (10, 674080772), (20, 337040386), (40, 168520193), (79, 85326680), (158, 42663340), (316, 21331670), (395, 17065336), (632, 10665835), (790, 8532668), (1580, 4266334), (3160, 2133167)]