5739640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:172

約数の個数: 64

約数和(自身を含む): 13685760

約数和(自身を除く): 7946120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 47, 71, 86, 94, 142, 172, 188, 215, 235, 284, 344, 355, 376, 430, 470, 568, 710, 860, 940, 1420, 1720, 1880, 2021, 2840, 3053, 3337, 4042, 6106, 6674, 8084, 10105, 12212, 13348, 15265, 16168, 16685, 20210, 24424, 26696, 30530, 33370, 40420, 61060, 66740, 80840, 122120, 133480, 143491, 286982, 573964, 717455, 1147928, 1434910, 2869820, 5739640]

約数ペア:

[(1, 5739640), (2, 2869820), (4, 1434910), (5, 1147928), (8, 717455), (10, 573964), (20, 286982), (40, 143491), (43, 133480), (47, 122120), (71, 80840), (86, 66740), (94, 61060), (142, 40420), (172, 33370), (188, 30530), (215, 26696), (235, 24424), (284, 20210), (344, 16685), (355, 16168), (376, 15265), (430, 13348), (470, 12212), (568, 10105), (710, 8084), (860, 6674), (940, 6106), (1420, 4042), (1720, 3337), (1880, 3053), (2021, 2840)]