4025180

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{643}}^1$

素因数の和:965

約数の個数: 24

約数和(自身を含む): 8493072

約数和(自身を除く): 4467892

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 643, 1252, 1286, 1565, 2572, 3130, 3215, 6260, 6430, 12860, 201259, 402518, 805036, 1006295, 2012590, 4025180]

約数ペア:

[(1, 4025180), (2, 2012590), (4, 1006295), (5, 805036), (10, 402518), (20, 201259), (313, 12860), (626, 6430), (643, 6260), (1252, 3215), (1286, 3130), (1565, 2572)]