25511440

素因数分解:

$2^4\times 5^1\times {\mathrm{347}}^1\times {\mathrm{919}}^1$

素因数の和:1279

約数の個数: 40

約数和(自身を含む): 59549760

約数和(自身を除く): 34038320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 347, 694, 919, 1388, 1735, 1838, 2776, 3470, 3676, 4595, 5552, 6940, 7352, 9190, 13880, 14704, 18380, 27760, 36760, 73520, 318893, 637786, 1275572, 1594465, 2551144, 3188930, 5102288, 6377860, 12755720, 25511440]

約数ペア:

[(1, 25511440), (2, 12755720), (4, 6377860), (5, 5102288), (8, 3188930), (10, 2551144), (16, 1594465), (20, 1275572), (40, 637786), (80, 318893), (347, 73520), (694, 36760), (919, 27760), (1388, 18380), (1735, 14704), (1838, 13880), (2776, 9190), (3470, 7352), (3676, 6940), (4595, 5552)]