55178720

素因数分解:

$2^5\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1733}}^1$

素因数の和:1947

約数の個数: 48

約数和(自身を含む): 131090400

約数和(自身を除く): 75911680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 199, 398, 796, 995, 1592, 1733, 1990, 3184, 3466, 3980, 6368, 6932, 7960, 8665, 13864, 15920, 17330, 27728, 31840, 34660, 55456, 69320, 138640, 277280, 344867, 689734, 1379468, 1724335, 2758936, 3448670, 5517872, 6897340, 11035744, 13794680, 27589360, 55178720]

約数ペア:

[(1, 55178720), (2, 27589360), (4, 13794680), (5, 11035744), (8, 6897340), (10, 5517872), (16, 3448670), (20, 2758936), (32, 1724335), (40, 1379468), (80, 689734), (160, 344867), (199, 277280), (398, 138640), (796, 69320), (995, 55456), (1592, 34660), (1733, 31840), (1990, 27728), (3184, 17330), (3466, 15920), (3980, 13864), (6368, 8665), (6932, 7960)]