2017636520

素因数分解:

$2^3\times 5^1\times {\mathrm{50440913}}^1$

素因数の和:50440924

約数の個数: 16

約数和(自身を含む): 4539682260

約数和(自身を除く): 2522045740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 50440913, 100881826, 201763652, 252204565, 403527304, 504409130, 1008818260, 2017636520]

約数ペア:

[(1, 2017636520), (2, 1008818260), (4, 504409130), (5, 403527304), (8, 252204565), (10, 201763652), (20, 100881826), (40, 50440913)]