12905260

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{13729}}^1$

素因数の和:13785

約数の個数: 24

約数和(自身を含む): 27679680

約数和(自身を除く): 14774420

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 13729, 27458, 54916, 68645, 137290, 274580, 645263, 1290526, 2581052, 3226315, 6452630, 12905260]

約数ペア:

[(1, 12905260), (2, 6452630), (4, 3226315), (5, 2581052), (10, 1290526), (20, 645263), (47, 274580), (94, 137290), (188, 68645), (235, 54916), (470, 27458), (940, 13729)]