55660840

素因数分解:

$2^3\times 5^1\times {\mathrm{1391521}}^1$

素因数の和:1391532

約数の個数: 16

約数和(自身を含む): 125236980

約数和(自身を除く): 69576140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1391521, 2783042, 5566084, 6957605, 11132168, 13915210, 27830420, 55660840]

約数ペア:

[(1, 55660840), (2, 27830420), (4, 13915210), (5, 11132168), (8, 6957605), (10, 5566084), (20, 2783042), (40, 1391521)]