123213560

素因数分解:

$2^3\times 5^1\times {\mathrm{463}}^1\times {\mathrm{6653}}^1$

素因数の和:7127

約数の個数: 32

約数和(自身を含む): 277871040

約数和(自身を除く): 154657480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 463, 926, 1852, 2315, 3704, 4630, 6653, 9260, 13306, 18520, 26612, 33265, 53224, 66530, 133060, 266120, 3080339, 6160678, 12321356, 15401695, 24642712, 30803390, 61606780, 123213560]

約数ペア:

[(1, 123213560), (2, 61606780), (4, 30803390), (5, 24642712), (8, 15401695), (10, 12321356), (20, 6160678), (40, 3080339), (463, 266120), (926, 133060), (1852, 66530), (2315, 53224), (3704, 33265), (4630, 26612), (6653, 18520), (9260, 13306)]