56898080

素因数分解:

$2^5\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1787}}^1$

素因数の和:2001

約数の個数: 48

約数和(自身を含む): 135172800

約数和(自身を除く): 78274720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 199, 398, 796, 995, 1592, 1787, 1990, 3184, 3574, 3980, 6368, 7148, 7960, 8935, 14296, 15920, 17870, 28592, 31840, 35740, 57184, 71480, 142960, 285920, 355613, 711226, 1422452, 1778065, 2844904, 3556130, 5689808, 7112260, 11379616, 14224520, 28449040, 56898080]

約数ペア:

[(1, 56898080), (2, 28449040), (4, 14224520), (5, 11379616), (8, 7112260), (10, 5689808), (16, 3556130), (20, 2844904), (32, 1778065), (40, 1422452), (80, 711226), (160, 355613), (199, 285920), (398, 142960), (796, 71480), (995, 57184), (1592, 35740), (1787, 31840), (1990, 28592), (3184, 17870), (3574, 15920), (3980, 14296), (6368, 8935), (7148, 7960)]