25501640

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5849}}^1$

素因数の和:5969

約数の個数: 32

約数和(自身を含む): 57915000

約数和(自身を除く): 32413360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 5849, 11698, 23396, 29245, 46792, 58490, 116980, 233960, 637541, 1275082, 2550164, 3187705, 5100328, 6375410, 12750820, 25501640]

約数ペア:

[(1, 25501640), (2, 12750820), (4, 6375410), (5, 5100328), (8, 3187705), (10, 2550164), (20, 1275082), (40, 637541), (109, 233960), (218, 116980), (436, 58490), (545, 46792), (872, 29245), (1090, 23396), (2180, 11698), (4360, 5849)]