55718380

素因数分解:

$2^2\times 5^1\times {\mathrm{1489}}^1\times {\mathrm{1871}}^1$

素因数の和:3369

約数の個数: 24

約数和(自身を含む): 117149760

約数和(自身を除く): 61431380

約数列:

[1, 2, 4, 5, 10, 20, 1489, 1871, 2978, 3742, 5956, 7445, 7484, 9355, 14890, 18710, 29780, 37420, 2785919, 5571838, 11143676, 13929595, 27859190, 55718380]

約数ペア:

[(1, 55718380), (2, 27859190), (4, 13929595), (5, 11143676), (10, 5571838), (20, 2785919), (1489, 37420), (1871, 29780), (2978, 18710), (3742, 14890), (5956, 9355), (7445, 7484)]