25897420

素因数分解:

$2^2\times 5^1\times {\mathrm{919}}^1\times {\mathrm{1409}}^1$

素因数の和:2337

約数の個数: 24

約数和(自身を含む): 54482400

約数和(自身を除く): 28584980

約数列:

[1, 2, 4, 5, 10, 20, 919, 1409, 1838, 2818, 3676, 4595, 5636, 7045, 9190, 14090, 18380, 28180, 1294871, 2589742, 5179484, 6474355, 12948710, 25897420]

約数ペア:

[(1, 25897420), (2, 12948710), (4, 6474355), (5, 5179484), (10, 2589742), (20, 1294871), (919, 28180), (1409, 18380), (1838, 14090), (2818, 9190), (3676, 7045), (4595, 5636)]