72031220

素因数分解:

$2^2\times 5^1\times {\mathrm{919}}^1\times {\mathrm{3919}}^1$

素因数の和:4847

約数の個数: 24

約数和(自身を含む): 151468800

約数和(自身を除く): 79437580

約数列:

[1, 2, 4, 5, 10, 20, 919, 1838, 3676, 3919, 4595, 7838, 9190, 15676, 18380, 19595, 39190, 78380, 3601561, 7203122, 14406244, 18007805, 36015610, 72031220]

約数ペア:

[(1, 72031220), (2, 36015610), (4, 18007805), (5, 14406244), (10, 7203122), (20, 3601561), (919, 78380), (1838, 39190), (3676, 19595), (3919, 18380), (4595, 15676), (7838, 9190)]