51224240

素因数分解:

$2^4\times 5^1\times {\mathrm{640303}}^1$

素因数の和:640316

約数の個数: 20

約数和(自身を含む): 119096544

約数和(自身を除く): 67872304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 640303, 1280606, 2561212, 3201515, 5122424, 6403030, 10244848, 12806060, 25612120, 51224240]

約数ペア:

[(1, 51224240), (2, 25612120), (4, 12806060), (5, 10244848), (8, 6403030), (10, 5122424), (16, 3201515), (20, 2561212), (40, 1280606), (80, 640303)]