12782360

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1433}}^1$

素因数の和:1667

約数の個数: 32

約数和(自身を含む): 28909440

約数和(自身を除く): 16127080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1433, 1784, 2230, 2866, 4460, 5732, 7165, 8920, 11464, 14330, 28660, 57320, 319559, 639118, 1278236, 1597795, 2556472, 3195590, 6391180, 12782360]

約数ペア:

[(1, 12782360), (2, 6391180), (4, 3195590), (5, 2556472), (8, 1597795), (10, 1278236), (20, 639118), (40, 319559), (223, 57320), (446, 28660), (892, 14330), (1115, 11464), (1433, 8920), (1784, 7165), (2230, 5732), (2866, 4460)]