2056579120

素因数分解:

$2^4\times 5^1\times {\mathrm{25707239}}^1$

素因数の和:25707252

約数の個数: 20

約数和(自身を含む): 4781546640

約数和(自身を除く): 2724967520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25707239, 51414478, 102828956, 128536195, 205657912, 257072390, 411315824, 514144780, 1028289560, 2056579120]

約数ペア:

[(1, 2056579120), (2, 1028289560), (4, 514144780), (5, 411315824), (8, 257072390), (10, 205657912), (16, 128536195), (20, 102828956), (40, 51414478), (80, 25707239)]