64080620

素因数分解:

$2^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{6689}}^1$

素因数の和:7177

約数の個数: 24

約数和(自身を含む): 134870400

約数和(自身を除く): 70789780

約数列:

[1, 2, 4, 5, 10, 20, 479, 958, 1916, 2395, 4790, 6689, 9580, 13378, 26756, 33445, 66890, 133780, 3204031, 6408062, 12816124, 16020155, 32040310, 64080620]

約数ペア:

[(1, 64080620), (2, 32040310), (4, 16020155), (5, 12816124), (10, 6408062), (20, 3204031), (479, 133780), (958, 66890), (1916, 33445), (2395, 26756), (4790, 13378), (6689, 9580)]