81774580

素因数分解:

$2^2\times 5^1\times {\mathrm{743}}^1\times {\mathrm{5503}}^1$

素因数の和:6255

約数の個数: 24

約数和(自身を含む): 171988992

約数和(自身を除く): 90214412

約数列:

[1, 2, 4, 5, 10, 20, 743, 1486, 2972, 3715, 5503, 7430, 11006, 14860, 22012, 27515, 55030, 110060, 4088729, 8177458, 16354916, 20443645, 40887290, 81774580]

約数ペア:

[(1, 81774580), (2, 40887290), (4, 20443645), (5, 16354916), (10, 8177458), (20, 4088729), (743, 110060), (1486, 55030), (2972, 27515), (3715, 22012), (5503, 14860), (7430, 11006)]