1990393175

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{919}}^1\times {\mathrm{2113}}^1$

素因数の和:3083

約数の個数: 24

約数和(自身を含む): 2532233760

約数和(自身を除く): 541840585

約数列:

[1, 5, 25, 41, 205, 919, 1025, 2113, 4595, 10565, 22975, 37679, 52825, 86633, 188395, 433165, 941975, 1941847, 2165825, 9709235, 48546175, 79615727, 398078635, 1990393175]

約数ペア:

[(1, 1990393175), (5, 398078635), (25, 79615727), (41, 48546175), (205, 9709235), (919, 2165825), (1025, 1941847), (2113, 941975), (4595, 433165), (10565, 188395), (22975, 86633), (37679, 52825)]