25320760

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{3181}}^1$

素因数の和:3391

約数の個数: 32

約数和(自身を含む): 57276000

約数和(自身を除く): 31955240

約数列:

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

約数ペア:

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