12865480

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1777}}^1$

素因数の和:1969

約数の個数: 32

約数和(自身を含む): 29123640

約数和(自身を除く): 16258160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1777, 1810, 3554, 3620, 7108, 7240, 8885, 14216, 17770, 35540, 71080, 321637, 643274, 1286548, 1608185, 2573096, 3216370, 6432740, 12865480]

約数ペア:

[(1, 12865480), (2, 6432740), (4, 3216370), (5, 2573096), (8, 1608185), (10, 1286548), (20, 643274), (40, 321637), (181, 71080), (362, 35540), (724, 17770), (905, 14216), (1448, 8885), (1777, 7240), (1810, 7108), (3554, 3620)]