80810288

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{877}}^1$

素因数の和:1341

約数の個数: 40

約数和(自身を含む): 169187088

約数和(自身を除く): 88376800

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 443, 877, 886, 1754, 1772, 3508, 3544, 5759, 7016, 7088, 11401, 11518, 14032, 22802, 23036, 45604, 46072, 91208, 92144, 182416, 388511, 777022, 1554044, 3108088, 5050643, 6216176, 10101286, 20202572, 40405144, 80810288]

約数ペア:

[(1, 80810288), (2, 40405144), (4, 20202572), (8, 10101286), (13, 6216176), (16, 5050643), (26, 3108088), (52, 1554044), (104, 777022), (208, 388511), (443, 182416), (877, 92144), (886, 91208), (1754, 46072), (1772, 45604), (3508, 23036), (3544, 22802), (5759, 14032), (7016, 11518), (7088, 11401)]