80139724

素因数分解:

$2^2\times 7^1\times {\mathrm{311}}^1\times {\mathrm{9203}}^1$

素因数の和:9525

約数の個数: 24

約数和(自身を含む): 160812288

約数和(自身を除く): 80672564

約数列:

[1, 2, 4, 7, 14, 28, 311, 622, 1244, 2177, 4354, 8708, 9203, 18406, 36812, 64421, 128842, 257684, 2862133, 5724266, 11448532, 20034931, 40069862, 80139724]

約数ペア:

[(1, 80139724), (2, 40069862), (4, 20034931), (7, 11448532), (14, 5724266), (28, 2862133), (311, 257684), (622, 128842), (1244, 64421), (2177, 36812), (4354, 18406), (8708, 9203)]