6481040

素因数分解:

$2^4\times 5^1\times {\mathrm{81013}}^1$

素因数の和:81026

約数の個数: 20

約数和(自身を含む): 15068604

約数和(自身を除く): 8587564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 81013, 162026, 324052, 405065, 648104, 810130, 1296208, 1620260, 3240520, 6481040]

約数ペア:

[(1, 6481040), (2, 3240520), (4, 1620260), (5, 1296208), (8, 810130), (10, 648104), (16, 405065), (20, 324052), (40, 162026), (80, 81013)]