81075728

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{61051}}^1$

素因数の和:61142

約数の個数: 20

約数和(自身を含む): 158979408

約数和(自身を除く): 77903680

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 61051, 122102, 244204, 488408, 976816, 5067233, 10134466, 20268932, 40537864, 81075728]

約数ペア:

[(1, 81075728), (2, 40537864), (4, 20268932), (8, 10134466), (16, 5067233), (83, 976816), (166, 488408), (332, 244204), (664, 122102), (1328, 61051)]