12456040

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2273}}^1$

素因数の和:2421

約数の個数: 32

約数和(自身を含む): 28243080

約数和(自身を除く): 15787040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2273, 2740, 4546, 5480, 9092, 11365, 18184, 22730, 45460, 90920, 311401, 622802, 1245604, 1557005, 2491208, 3114010, 6228020, 12456040]

約数ペア:

[(1, 12456040), (2, 6228020), (4, 3114010), (5, 2491208), (8, 1557005), (10, 1245604), (20, 622802), (40, 311401), (137, 90920), (274, 45460), (548, 22730), (685, 18184), (1096, 11365), (1370, 9092), (2273, 5480), (2740, 4546)]