1321170280

素因数分解:

$2^3\times 5^1\times {\mathrm{33029257}}^1$

素因数の和:33029268

約数の個数: 16

約数和(自身を含む): 2972633220

約数和(自身を除く): 1651462940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 33029257, 66058514, 132117028, 165146285, 264234056, 330292570, 660585140, 1321170280]

約数ペア:

[(1, 1321170280), (2, 660585140), (4, 330292570), (5, 264234056), (8, 165146285), (10, 132117028), (20, 66058514), (40, 33029257)]