1626127280

素因数分解:

$2^4\times 5^1\times {\mathrm{20326591}}^1$

素因数の和:20326604

約数の個数: 20

約数和(自身を含む): 3780746112

約数和(自身を除く): 2154618832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 20326591, 40653182, 81306364, 101632955, 162612728, 203265910, 325225456, 406531820, 813063640, 1626127280]

約数ペア:

[(1, 1626127280), (2, 813063640), (4, 406531820), (5, 325225456), (8, 203265910), (10, 162612728), (16, 101632955), (20, 81306364), (40, 40653182), (80, 20326591)]