180873040

素因数分解:

$2^4\times 5^1\times {\mathrm{2260913}}^1$

素因数の和:2260926

約数の個数: 20

約数和(自身を含む): 420530004

約数和(自身を除く): 239656964

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2260913, 4521826, 9043652, 11304565, 18087304, 22609130, 36174608, 45218260, 90436520, 180873040]

約数ペア:

[(1, 180873040), (2, 90436520), (4, 45218260), (5, 36174608), (8, 22609130), (10, 18087304), (16, 11304565), (20, 9043652), (40, 4521826), (80, 2260913)]