12479440

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3319}}^1$

素因数の和:3379

約数の個数: 40

約数和(自身を含む): 29640960

約数和(自身を除く): 17161520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3319, 3760, 6638, 13276, 16595, 26552, 33190, 53104, 66380, 132760, 155993, 265520, 311986, 623972, 779965, 1247944, 1559930, 2495888, 3119860, 6239720, 12479440]

約数ペア:

[(1, 12479440), (2, 6239720), (4, 3119860), (5, 2495888), (8, 1559930), (10, 1247944), (16, 779965), (20, 623972), (40, 311986), (47, 265520), (80, 155993), (94, 132760), (188, 66380), (235, 53104), (376, 33190), (470, 26552), (752, 16595), (940, 13276), (1880, 6638), (3319, 3760)]