64002440

素因数分解:

$2^3\times 5^1\times {\mathrm{1600061}}^1$

素因数の和:1600072

約数の個数: 16

約数和(自身を含む): 144005580

約数和(自身を除く): 80003140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1600061, 3200122, 6400244, 8000305, 12800488, 16000610, 32001220, 64002440]

約数ペア:

[(1, 64002440), (2, 32001220), (4, 16000610), (5, 12800488), (8, 8000305), (10, 6400244), (20, 3200122), (40, 1600061)]