16489640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9587}}^1$

素因数の和:9641

約数の個数: 32

約数和(自身を含む): 37968480

約数和(自身を除く): 21478840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 9587, 19174, 38348, 47935, 76696, 95870, 191740, 383480, 412241, 824482, 1648964, 2061205, 3297928, 4122410, 8244820, 16489640]

約数ペア:

[(1, 16489640), (2, 8244820), (4, 4122410), (5, 3297928), (8, 2061205), (10, 1648964), (20, 824482), (40, 412241), (43, 383480), (86, 191740), (172, 95870), (215, 76696), (344, 47935), (430, 38348), (860, 19174), (1720, 9587)]