264792020

素因数分解:

$2^2\times 5^1\times {\mathrm{823}}^1\times {\mathrm{16087}}^1$

素因数の和:16919

約数の個数: 24

約数和(自身を含む): 556773504

約数和(自身を除く): 291981484

約数列:

[1, 2, 4, 5, 10, 20, 823, 1646, 3292, 4115, 8230, 16087, 16460, 32174, 64348, 80435, 160870, 321740, 13239601, 26479202, 52958404, 66198005, 132396010, 264792020]

約数ペア:

[(1, 264792020), (2, 132396010), (4, 66198005), (5, 52958404), (10, 26479202), (20, 13239601), (823, 321740), (1646, 160870), (3292, 80435), (4115, 64348), (8230, 32174), (16087, 16460)]