1242552020

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{312199}}^1$

素因数の和:312407

約数の個数: 24

約数和(自身を含む): 2622480000

約数和(自身を除く): 1379927980

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 312199, 624398, 1248796, 1560995, 3121990, 6243980, 62127601, 124255202, 248510404, 310638005, 621276010, 1242552020]

約数ペア:

[(1, 1242552020), (2, 621276010), (4, 310638005), (5, 248510404), (10, 124255202), (20, 62127601), (199, 6243980), (398, 3121990), (796, 1560995), (995, 1248796), (1990, 624398), (3980, 312199)]