38621920

素因数分解:

$2^5\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1213}}^1$

素因数の和:1427

約数の個数: 48

約数和(自身を含む): 91778400

約数和(自身を除く): 53156480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 199, 398, 796, 995, 1213, 1592, 1990, 2426, 3184, 3980, 4852, 6065, 6368, 7960, 9704, 12130, 15920, 19408, 24260, 31840, 38816, 48520, 97040, 194080, 241387, 482774, 965548, 1206935, 1931096, 2413870, 3862192, 4827740, 7724384, 9655480, 19310960, 38621920]

約数ペア:

[(1, 38621920), (2, 19310960), (4, 9655480), (5, 7724384), (8, 4827740), (10, 3862192), (16, 2413870), (20, 1931096), (32, 1206935), (40, 965548), (80, 482774), (160, 241387), (199, 194080), (398, 97040), (796, 48520), (995, 38816), (1213, 31840), (1592, 24260), (1990, 19408), (2426, 15920), (3184, 12130), (3980, 9704), (4852, 7960), (6065, 6368)]