86757680

素因数分解:

$2^4\times 5^1\times {\mathrm{1084471}}^1$

素因数の和:1084484

約数の個数: 20

約数和(自身を含む): 201711792

約数和(自身を除く): 114954112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1084471, 2168942, 4337884, 5422355, 8675768, 10844710, 17351536, 21689420, 43378840, 86757680]

約数ペア:

[(1, 86757680), (2, 43378840), (4, 21689420), (5, 17351536), (8, 10844710), (10, 8675768), (16, 5422355), (20, 4337884), (40, 2168942), (80, 1084471)]