15978100

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{6947}}^1$

素因数の和:6984

約数の個数: 36

約数和(自身を含む): 36185184

約数和(自身を除く): 20207084

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 230, 460, 575, 1150, 2300, 6947, 13894, 27788, 34735, 69470, 138940, 159781, 173675, 319562, 347350, 639124, 694700, 798905, 1597810, 3195620, 3994525, 7989050, 15978100]

約数ペア:

[(1, 15978100), (2, 7989050), (4, 3994525), (5, 3195620), (10, 1597810), (20, 798905), (23, 694700), (25, 639124), (46, 347350), (50, 319562), (92, 173675), (100, 159781), (115, 138940), (230, 69470), (460, 34735), (575, 27788), (1150, 13894), (2300, 6947)]