8720222780

素因数分解:

$2^2\times 5^1\times {\mathrm{6329}}^1\times {\mathrm{68891}}^1$

素因数の和:75229

約数の個数: 24

約数和(自身を含む): 18315627120

約数和(自身を除く): 9595404340

約数列:

[1, 2, 4, 5, 10, 20, 6329, 12658, 25316, 31645, 63290, 68891, 126580, 137782, 275564, 344455, 688910, 1377820, 436011139, 872022278, 1744044556, 2180055695, 4360111390, 8720222780]

約数ペア:

[(1, 8720222780), (2, 4360111390), (4, 2180055695), (5, 1744044556), (10, 872022278), (20, 436011139), (6329, 1377820), (12658, 688910), (25316, 344455), (31645, 275564), (63290, 137782), (68891, 126580)]