42620660

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{68743}}^1$

素因数の和:68783

約数の個数: 24

約数和(自身を含む): 92391936

約数和(自身を除く): 49771276

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 68743, 137486, 274972, 343715, 687430, 1374860, 2131033, 4262066, 8524132, 10655165, 21310330, 42620660]

約数ペア:

[(1, 42620660), (2, 21310330), (4, 10655165), (5, 8524132), (10, 4262066), (20, 2131033), (31, 1374860), (62, 687430), (124, 343715), (155, 274972), (310, 137486), (620, 68743)]