10881320

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1367}}^1$

素因数の和:1577

約数の個数: 32

約数和(自身を含む): 24624000

約数和(自身を除く): 13742680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1367, 1592, 1990, 2734, 3980, 5468, 6835, 7960, 10936, 13670, 27340, 54680, 272033, 544066, 1088132, 1360165, 2176264, 2720330, 5440660, 10881320]

約数ペア:

[(1, 10881320), (2, 5440660), (4, 2720330), (5, 2176264), (8, 1360165), (10, 1088132), (20, 544066), (40, 272033), (199, 54680), (398, 27340), (796, 13670), (995, 10936), (1367, 7960), (1592, 6835), (1990, 5468), (2734, 3980)]