57171020

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{21821}}^1$

素因数の和:21961

約数の個数: 24

約数和(自身を含む): 120981168

約数和(自身を除く): 63810148

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 21821, 43642, 87284, 109105, 218210, 436420, 2858551, 5717102, 11434204, 14292755, 28585510, 57171020]

約数ペア:

[(1, 57171020), (2, 28585510), (4, 14292755), (5, 11434204), (10, 5717102), (20, 2858551), (131, 436420), (262, 218210), (524, 109105), (655, 87284), (1310, 43642), (2620, 21821)]