31393120

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17837}}^1$

素因数の和:17863

約数の個数: 48

約数和(自身を含む): 80913168

約数和(自身を除く): 49520048

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 17837, 35674, 71348, 89185, 142696, 178370, 196207, 285392, 356740, 392414, 570784, 713480, 784828, 981035, 1426960, 1569656, 1962070, 2853920, 3139312, 3924140, 6278624, 7848280, 15696560, 31393120]

約数ペア:

[(1, 31393120), (2, 15696560), (4, 7848280), (5, 6278624), (8, 3924140), (10, 3139312), (11, 2853920), (16, 1962070), (20, 1569656), (22, 1426960), (32, 981035), (40, 784828), (44, 713480), (55, 570784), (80, 392414), (88, 356740), (110, 285392), (160, 196207), (176, 178370), (220, 142696), (352, 89185), (440, 71348), (880, 35674), (1760, 17837)]