66562040

素因数分解:

$2^3\times 5^1\times {\mathrm{1283}}^1\times {\mathrm{1297}}^1$

素因数の和:2591

約数の個数: 32

約数和(自身を含む): 149996880

約数和(自身を除く): 83434840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1283, 1297, 2566, 2594, 5132, 5188, 6415, 6485, 10264, 10376, 12830, 12970, 25660, 25940, 51320, 51880, 1664051, 3328102, 6656204, 8320255, 13312408, 16640510, 33281020, 66562040]

約数ペア:

[(1, 66562040), (2, 33281020), (4, 16640510), (5, 13312408), (8, 8320255), (10, 6656204), (20, 3328102), (40, 1664051), (1283, 51880), (1297, 51320), (2566, 25940), (2594, 25660), (5132, 12970), (5188, 12830), (6415, 10376), (6485, 10264)]