5189920

素因数分解:

$2^5\times 5^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:377

約数の個数: 48

約数和(自身を含む): 12398400

約数和(自身を除く): 7208480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 163, 199, 326, 398, 652, 796, 815, 995, 1304, 1592, 1630, 1990, 2608, 3184, 3260, 3980, 5216, 6368, 6520, 7960, 13040, 15920, 26080, 31840, 32437, 64874, 129748, 162185, 259496, 324370, 518992, 648740, 1037984, 1297480, 2594960, 5189920]

約数ペア:

[(1, 5189920), (2, 2594960), (4, 1297480), (5, 1037984), (8, 648740), (10, 518992), (16, 324370), (20, 259496), (32, 162185), (40, 129748), (80, 64874), (160, 32437), (163, 31840), (199, 26080), (326, 15920), (398, 13040), (652, 7960), (796, 6520), (815, 6368), (995, 5216), (1304, 3980), (1592, 3260), (1630, 3184), (1990, 2608)]