22397740

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{12583}}^1$

素因数の和:12681

約数の個数: 24

約数和(自身を含む): 47567520

約数和(自身を除く): 25169780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 12583, 25166, 50332, 62915, 125830, 251660, 1119887, 2239774, 4479548, 5599435, 11198870, 22397740]

約数ペア:

[(1, 22397740), (2, 11198870), (4, 5599435), (5, 4479548), (10, 2239774), (20, 1119887), (89, 251660), (178, 125830), (356, 62915), (445, 50332), (890, 25166), (1780, 12583)]