201921320

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{25367}}^1$

素因数の和:25577

約数の個数: 32

約数和(自身を含む): 456624000

約数和(自身を除く): 254702680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 25367, 50734, 101468, 126835, 202936, 253670, 507340, 1014680, 5048033, 10096066, 20192132, 25240165, 40384264, 50480330, 100960660, 201921320]

約数ペア:

[(1, 201921320), (2, 100960660), (4, 50480330), (5, 40384264), (8, 25240165), (10, 20192132), (20, 10096066), (40, 5048033), (199, 1014680), (398, 507340), (796, 253670), (995, 202936), (1592, 126835), (1990, 101468), (3980, 50734), (7960, 25367)]