49873820

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{28019}}^1$

素因数の和:28117

約数の個数: 24

約数和(自身を含む): 105915600

約数和(自身を除く): 56041780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 28019, 56038, 112076, 140095, 280190, 560380, 2493691, 4987382, 9974764, 12468455, 24936910, 49873820]

約数ペア:

[(1, 49873820), (2, 24936910), (4, 12468455), (5, 9974764), (10, 4987382), (20, 2493691), (89, 560380), (178, 280190), (356, 140095), (445, 112076), (890, 56038), (1780, 28019)]