7982420

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1553}}^1$

素因数の和:1819

約数の個数: 24

約数和(自身を含む): 16839144

約数和(自身を除く): 8856724

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 1553, 2570, 3106, 5140, 6212, 7765, 15530, 31060, 399121, 798242, 1596484, 1995605, 3991210, 7982420]

約数ペア:

[(1, 7982420), (2, 3991210), (4, 1995605), (5, 1596484), (10, 798242), (20, 399121), (257, 31060), (514, 15530), (1028, 7765), (1285, 6212), (1553, 5140), (2570, 3106)]