54421580

素因数分解:

$2^2\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{2111}}^1$

素因数の和:3409

約数の個数: 24

約数和(自身を含む): 114428160

約数和(自身を除く): 60006580

約数列:

[1, 2, 4, 5, 10, 20, 1289, 2111, 2578, 4222, 5156, 6445, 8444, 10555, 12890, 21110, 25780, 42220, 2721079, 5442158, 10884316, 13605395, 27210790, 54421580]

約数ペア:

[(1, 54421580), (2, 27210790), (4, 13605395), (5, 10884316), (10, 5442158), (20, 2721079), (1289, 42220), (2111, 25780), (2578, 21110), (4222, 12890), (5156, 10555), (6445, 8444)]