15966940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{72577}}^1$

素因数の和:72597

約数の個数: 24

約数和(自身を含む): 36579312

約数和(自身を除く): 20612372

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 72577, 145154, 290308, 362885, 725770, 798347, 1451540, 1596694, 3193388, 3991735, 7983470, 15966940]

約数ペア:

[(1, 15966940), (2, 7983470), (4, 3991735), (5, 3193388), (10, 1596694), (11, 1451540), (20, 798347), (22, 725770), (44, 362885), (55, 290308), (110, 145154), (220, 72577)]