12545900

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{1151}}^1$

素因数の和:1274

約数の個数: 36

約数和(自身を含む): 27498240

約数和(自身を除く): 14952340

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 218, 436, 545, 1090, 1151, 2180, 2302, 2725, 4604, 5450, 5755, 10900, 11510, 23020, 28775, 57550, 115100, 125459, 250918, 501836, 627295, 1254590, 2509180, 3136475, 6272950, 12545900]

約数ペア:

[(1, 12545900), (2, 6272950), (4, 3136475), (5, 2509180), (10, 1254590), (20, 627295), (25, 501836), (50, 250918), (100, 125459), (109, 115100), (218, 57550), (436, 28775), (545, 23020), (1090, 11510), (1151, 10900), (2180, 5755), (2302, 5450), (2725, 4604)]