2247656440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1306777}}^1$

素因数の和:1306831

約数の個数: 32

約数和(自身を含む): 5174840880

約数和(自身を除く): 2927184440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 1306777, 2613554, 5227108, 6533885, 10454216, 13067770, 26135540, 52271080, 56191411, 112382822, 224765644, 280957055, 449531288, 561914110, 1123828220, 2247656440]

約数ペア:

[(1, 2247656440), (2, 1123828220), (4, 561914110), (5, 449531288), (8, 280957055), (10, 224765644), (20, 112382822), (40, 56191411), (43, 52271080), (86, 26135540), (172, 13067770), (215, 10454216), (344, 6533885), (430, 5227108), (860, 2613554), (1720, 1306777)]