71159120

素因数分解:

$2^4\times 5^1\times {\mathrm{889489}}^1$

素因数の和:889502

約数の個数: 20

約数和(自身を含む): 165445140

約数和(自身を除く): 94286020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 889489, 1778978, 3557956, 4447445, 7115912, 8894890, 14231824, 17789780, 35579560, 71159120]

約数ペア:

[(1, 71159120), (2, 35579560), (4, 17789780), (5, 14231824), (8, 8894890), (10, 7115912), (16, 4447445), (20, 3557956), (40, 1778978), (80, 889489)]