50641520

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{3181}}^1$

素因数の和:3393

約数の個数: 40

約数和(自身を含む): 118370400

約数和(自身を除く): 67728880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 3181, 3184, 3980, 6362, 7960, 12724, 15905, 15920, 25448, 31810, 50896, 63620, 127240, 254480, 633019, 1266038, 2532076, 3165095, 5064152, 6330190, 10128304, 12660380, 25320760, 50641520]

約数ペア:

[(1, 50641520), (2, 25320760), (4, 12660380), (5, 10128304), (8, 6330190), (10, 5064152), (16, 3165095), (20, 2532076), (40, 1266038), (80, 633019), (199, 254480), (398, 127240), (796, 63620), (995, 50896), (1592, 31810), (1990, 25448), (3181, 15920), (3184, 15905), (3980, 12724), (6362, 7960)]