30819267760

素因数分解:

$2^4\times 5^1\times {\mathrm{385240847}}^1$

素因数の和:385240860

約数の個数: 20

約数和(自身を含む): 71654797728

約数和(自身を除く): 40835529968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 385240847, 770481694, 1540963388, 1926204235, 3081926776, 3852408470, 6163853552, 7704816940, 15409633880, 30819267760]

約数ペア:

[(1, 30819267760), (2, 15409633880), (4, 7704816940), (5, 6163853552), (8, 3852408470), (10, 3081926776), (16, 1926204235), (20, 1540963388), (40, 770481694), (80, 385240847)]