2080497040

素因数分解:

$2^4\times 5^1\times {\mathrm{26006213}}^1$

素因数の和:26006226

約数の個数: 20

約数和(自身を含む): 4837155804

約数和(自身を除く): 2756658764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 26006213, 52012426, 104024852, 130031065, 208049704, 260062130, 416099408, 520124260, 1040248520, 2080497040]

約数ペア:

[(1, 2080497040), (2, 1040248520), (4, 520124260), (5, 416099408), (8, 260062130), (10, 208049704), (16, 130031065), (20, 104024852), (40, 52012426), (80, 26006213)]