12742480

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1069}}^1$

素因数の和:1231

約数の個数: 40

約数和(自身を含む): 29853000

約数和(自身を除く): 17110520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1069, 1192, 1490, 2138, 2384, 2980, 4276, 5345, 5960, 8552, 10690, 11920, 17104, 21380, 42760, 85520, 159281, 318562, 637124, 796405, 1274248, 1592810, 2548496, 3185620, 6371240, 12742480]

約数ペア:

[(1, 12742480), (2, 6371240), (4, 3185620), (5, 2548496), (8, 1592810), (10, 1274248), (16, 796405), (20, 637124), (40, 318562), (80, 159281), (149, 85520), (298, 42760), (596, 21380), (745, 17104), (1069, 11920), (1192, 10690), (1490, 8552), (2138, 5960), (2384, 5345), (2980, 4276)]