27944039920

素因数分解:

$2^4\times 5^1\times {\mathrm{499}}^1\times {\mathrm{700001}}^1$

素因数の和:700513

約数の個数: 40

約数和(自身を含む): 65100186000

約数和(自身を除く): 37156146080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 499, 998, 1996, 2495, 3992, 4990, 7984, 9980, 19960, 39920, 700001, 1400002, 2800004, 3500005, 5600008, 7000010, 11200016, 14000020, 28000040, 56000080, 349300499, 698600998, 1397201996, 1746502495, 2794403992, 3493004990, 5588807984, 6986009980, 13972019960, 27944039920]

約数ペア:

[(1, 27944039920), (2, 13972019960), (4, 6986009980), (5, 5588807984), (8, 3493004990), (10, 2794403992), (16, 1746502495), (20, 1397201996), (40, 698600998), (80, 349300499), (499, 56000080), (998, 28000040), (1996, 14000020), (2495, 11200016), (3992, 7000010), (4990, 5600008), (7984, 3500005), (9980, 2800004), (19960, 1400002), (39920, 700001)]