25297040

素因数分解:

$2^4\times 5^1\times {\mathrm{316213}}^1$

素因数の和:316226

約数の個数: 20

約数和(自身を含む): 58815804

約数和(自身を除く): 33518764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 316213, 632426, 1264852, 1581065, 2529704, 3162130, 5059408, 6324260, 12648520, 25297040]

約数ペア:

[(1, 25297040), (2, 12648520), (4, 6324260), (5, 5059408), (8, 3162130), (10, 2529704), (16, 1581065), (20, 1264852), (40, 632426), (80, 316213)]