5200019080

素因数分解:

$2^3\times 5^1\times {\mathrm{130000477}}^1$

素因数の和:130000488

約数の個数: 16

約数和(自身を含む): 11700043020

約数和(自身を除く): 6500023940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 130000477, 260000954, 520001908, 650002385, 1040003816, 1300004770, 2600009540, 5200019080]

約数ペア:

[(1, 5200019080), (2, 2600009540), (4, 1300004770), (5, 1040003816), (8, 650002385), (10, 520001908), (20, 260000954), (40, 130000477)]