85279420

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{39119}}^1$

素因数の和:39237

約数の個数: 24

約数和(自身を含む): 180734400

約数和(自身を除く): 95454980

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 39119, 78238, 156476, 195595, 391190, 782380, 4263971, 8527942, 17055884, 21319855, 42639710, 85279420]

約数ペア:

[(1, 85279420), (2, 42639710), (4, 21319855), (5, 17055884), (10, 8527942), (20, 4263971), (109, 782380), (218, 391190), (436, 195595), (545, 156476), (1090, 78238), (2180, 39119)]