12560816

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{18257}}^1$

素因数の和:18308

約数の個数: 20

約数和(自身を含む): 24903912

約数和(自身を除く): 12343096

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 18257, 36514, 73028, 146056, 292112, 785051, 1570102, 3140204, 6280408, 12560816]

約数ペア:

[(1, 12560816), (2, 6280408), (4, 3140204), (8, 1570102), (16, 785051), (43, 292112), (86, 146056), (172, 73028), (344, 36514), (688, 18257)]