2511260

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{409}}^1$

素因数の和:725

約数の個数: 24

約数和(自身を含む): 5303760

約数和(自身を除く): 2792500

約数列:

[1, 2, 4, 5, 10, 20, 307, 409, 614, 818, 1228, 1535, 1636, 2045, 3070, 4090, 6140, 8180, 125563, 251126, 502252, 627815, 1255630, 2511260]

約数ペア:

[(1, 2511260), (2, 1255630), (4, 627815), (5, 502252), (10, 251126), (20, 125563), (307, 8180), (409, 6140), (614, 4090), (818, 3070), (1228, 2045), (1535, 1636)]