56772920

素因数分解:

$2^3\times 5^1\times {\mathrm{563}}^1\times {\mathrm{2521}}^1$

素因数の和:3095

約数の個数: 32

約数和(自身を含む): 128016720

約数和(自身を除く): 71243800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 563, 1126, 2252, 2521, 2815, 4504, 5042, 5630, 10084, 11260, 12605, 20168, 22520, 25210, 50420, 100840, 1419323, 2838646, 5677292, 7096615, 11354584, 14193230, 28386460, 56772920]

約数ペア:

[(1, 56772920), (2, 28386460), (4, 14193230), (5, 11354584), (8, 7096615), (10, 5677292), (20, 2838646), (40, 1419323), (563, 100840), (1126, 50420), (2252, 25210), (2521, 22520), (2815, 20168), (4504, 12605), (5042, 11260), (5630, 10084)]