25141520

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2399}}^1$

素因数の和:2543

約数の個数: 40

約数和(自身を含む): 58924800

約数和(自身を除く): 33783280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2399, 2620, 4798, 5240, 9596, 10480, 11995, 19192, 23990, 38384, 47980, 95960, 191920, 314269, 628538, 1257076, 1571345, 2514152, 3142690, 5028304, 6285380, 12570760, 25141520]

約数ペア:

[(1, 25141520), (2, 12570760), (4, 6285380), (5, 5028304), (8, 3142690), (10, 2514152), (16, 1571345), (20, 1257076), (40, 628538), (80, 314269), (131, 191920), (262, 95960), (524, 47980), (655, 38384), (1048, 23990), (1310, 19192), (2096, 11995), (2399, 10480), (2620, 9596), (4798, 5240)]