42381380

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{19441}}^1$

素因数の和:19559

約数の個数: 24

約数和(自身を含む): 89822040

約数和(自身を除く): 47440660

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 19441, 38882, 77764, 97205, 194410, 388820, 2119069, 4238138, 8476276, 10595345, 21190690, 42381380]

約数ペア:

[(1, 42381380), (2, 21190690), (4, 10595345), (5, 8476276), (10, 4238138), (20, 2119069), (109, 388820), (218, 194410), (436, 97205), (545, 77764), (1090, 38882), (2180, 19441)]