772111280

素因数分解:

$2^4\times 5^1\times {\mathrm{9651391}}^1$

素因数の和:9651404

約数の個数: 20

約数和(自身を含む): 1795158912

約数和(自身を除く): 1023047632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 9651391, 19302782, 38605564, 48256955, 77211128, 96513910, 154422256, 193027820, 386055640, 772111280]

約数ペア:

[(1, 772111280), (2, 386055640), (4, 193027820), (5, 154422256), (8, 96513910), (10, 77211128), (16, 48256955), (20, 38605564), (40, 19302782), (80, 9651391)]