12559216

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{25321}}^1$

素因数の和:25360

約数の個数: 20

約数和(自身を含む): 25119424

約数和(自身を除く): 12560208

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 25321, 50642, 101284, 202568, 405136, 784951, 1569902, 3139804, 6279608, 12559216]

約数ペア:

[(1, 12559216), (2, 6279608), (4, 3139804), (8, 1569902), (16, 784951), (31, 405136), (62, 202568), (124, 101284), (248, 50642), (496, 25321)]