16897040

素因数分解:

$2^4\times 5^1\times {\mathrm{211213}}^1$

素因数の和:211226

約数の個数: 20

約数和(自身を含む): 39285804

約数和(自身を除く): 22388764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211213, 422426, 844852, 1056065, 1689704, 2112130, 3379408, 4224260, 8448520, 16897040]

約数ペア:

[(1, 16897040), (2, 8448520), (4, 4224260), (5, 3379408), (8, 2112130), (10, 1689704), (16, 1056065), (20, 844852), (40, 422426), (80, 211213)]