25550380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{31159}}^1$

素因数の和:31209

約数の個数: 24

約数和(自身を含む): 54966240

約数和(自身を除く): 29415860

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 31159, 62318, 124636, 155795, 311590, 623180, 1277519, 2555038, 5110076, 6387595, 12775190, 25550380]

約数ペア:

[(1, 25550380), (2, 12775190), (4, 6387595), (5, 5110076), (10, 2555038), (20, 1277519), (41, 623180), (82, 311590), (164, 155795), (205, 124636), (410, 62318), (820, 31159)]