25720730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{3371}}^1$

素因数の和:3494

約数の個数: 32

約数和(自身を含む): 53412480

約数和(自身を除く): 27691750

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 109, 218, 545, 763, 1090, 1526, 3371, 3815, 6742, 7630, 16855, 23597, 33710, 47194, 117985, 235970, 367439, 734878, 1837195, 2572073, 3674390, 5144146, 12860365, 25720730]

約数ペア:

[(1, 25720730), (2, 12860365), (5, 5144146), (7, 3674390), (10, 2572073), (14, 1837195), (35, 734878), (70, 367439), (109, 235970), (218, 117985), (545, 47194), (763, 33710), (1090, 23597), (1526, 16855), (3371, 7630), (3815, 6742)]