2921320

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{367}}^1$

素因数の和:577

約数の個数: 32

約数和(自身を含む): 6624000

約数和(自身を除く): 3702680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 367, 398, 734, 796, 995, 1468, 1592, 1835, 1990, 2936, 3670, 3980, 7340, 7960, 14680, 73033, 146066, 292132, 365165, 584264, 730330, 1460660, 2921320]

約数ペア:

[(1, 2921320), (2, 1460660), (4, 730330), (5, 584264), (8, 365165), (10, 292132), (20, 146066), (40, 73033), (199, 14680), (367, 7960), (398, 7340), (734, 3980), (796, 3670), (995, 2936), (1468, 1990), (1592, 1835)]