81299872

素因数分解:

$2^5\times {\mathrm{313}}^1\times {\mathrm{8117}}^1$

素因数の和:8440

約数の個数: 24

約数和(自身を含む): 160590276

約数和(自身を除く): 79290404

約数列:

[1, 2, 4, 8, 16, 32, 313, 626, 1252, 2504, 5008, 8117, 10016, 16234, 32468, 64936, 129872, 259744, 2540621, 5081242, 10162484, 20324968, 40649936, 81299872]

約数ペア:

[(1, 81299872), (2, 40649936), (4, 20324968), (8, 10162484), (16, 5081242), (32, 2540621), (313, 259744), (626, 129872), (1252, 64936), (2504, 32468), (5008, 16234), (8117, 10016)]