64007120

素因数分解:

$2^4\times 5^1\times {\mathrm{800089}}^1$

素因数の和:800102

約数の個数: 20

約数和(自身を含む): 148816740

約数和(自身を除く): 84809620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 800089, 1600178, 3200356, 4000445, 6400712, 8000890, 12801424, 16001780, 32003560, 64007120]

約数ペア:

[(1, 64007120), (2, 32003560), (4, 16001780), (5, 12801424), (8, 8000890), (10, 6400712), (16, 4000445), (20, 3200356), (40, 1600178), (80, 800089)]