12838520

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{6829}}^1$

素因数の和:6887

約数の個数: 32

約数和(自身を含む): 29505600

約数和(自身を除く): 16667080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 6829, 13658, 27316, 34145, 54632, 68290, 136580, 273160, 320963, 641926, 1283852, 1604815, 2567704, 3209630, 6419260, 12838520]

約数ペア:

[(1, 12838520), (2, 6419260), (4, 3209630), (5, 2567704), (8, 1604815), (10, 1283852), (20, 641926), (40, 320963), (47, 273160), (94, 136580), (188, 68290), (235, 54632), (376, 34145), (470, 27316), (940, 13658), (1880, 6829)]