1559120

素因数分解:

$2^4\times 5^1\times {\mathrm{19489}}^1$

素因数の和:19502

約数の個数: 20

約数和(自身を含む): 3625140

約数和(自身を除く): 2066020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 19489, 38978, 77956, 97445, 155912, 194890, 311824, 389780, 779560, 1559120]

約数ペア:

[(1, 1559120), (2, 779560), (4, 389780), (5, 311824), (8, 194890), (10, 155912), (16, 97445), (20, 77956), (40, 38978), (80, 19489)]