80677904

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{32117}}^1$

素因数の和:32282

約数の個数: 20

約数和(自身を含む): 157313964

約数和(自身を除く): 76636060

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 32117, 64234, 128468, 256936, 513872, 5042369, 10084738, 20169476, 40338952, 80677904]

約数ペア:

[(1, 80677904), (2, 40338952), (4, 20169476), (8, 10084738), (16, 5042369), (157, 513872), (314, 256936), (628, 128468), (1256, 64234), (2512, 32117)]