1422440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{827}}^1$

素因数の和:881

約数の個数: 32

約数和(自身を含む): 3278880

約数和(自身を除く): 1856440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 827, 860, 1654, 1720, 3308, 4135, 6616, 8270, 16540, 33080, 35561, 71122, 142244, 177805, 284488, 355610, 711220, 1422440]

約数ペア:

[(1, 1422440), (2, 711220), (4, 355610), (5, 284488), (8, 177805), (10, 142244), (20, 71122), (40, 35561), (43, 33080), (86, 16540), (172, 8270), (215, 6616), (344, 4135), (430, 3308), (827, 1720), (860, 1654)]