85864120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{49921}}^1$

素因数の和:49975

約数の個数: 32

約数和(自身を含む): 197691120

約数和(自身を除く): 111827000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 49921, 99842, 199684, 249605, 399368, 499210, 998420, 1996840, 2146603, 4293206, 8586412, 10733015, 17172824, 21466030, 42932060, 85864120]

約数ペア:

[(1, 85864120), (2, 42932060), (4, 21466030), (5, 17172824), (8, 10733015), (10, 8586412), (20, 4293206), (40, 2146603), (43, 1996840), (86, 998420), (172, 499210), (215, 399368), (344, 249605), (430, 199684), (860, 99842), (1720, 49921)]