12442840

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1123}}^1$

素因数の和:1411

約数の個数: 32

約数和(自身を含む): 28122480

約数和(自身を除く): 15679640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1123, 1385, 2216, 2246, 2770, 4492, 5540, 5615, 8984, 11080, 11230, 22460, 44920, 311071, 622142, 1244284, 1555355, 2488568, 3110710, 6221420, 12442840]

約数ペア:

[(1, 12442840), (2, 6221420), (4, 3110710), (5, 2488568), (8, 1555355), (10, 1244284), (20, 622142), (40, 311071), (277, 44920), (554, 22460), (1108, 11230), (1123, 11080), (1385, 8984), (2216, 5615), (2246, 5540), (2770, 4492)]