25689890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{433}}^1$

素因数の和:806

約数の個数: 32

約数和(自身を含む): 49215600

約数和(自身を除く): 23525710

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 349, 433, 698, 866, 1745, 2165, 3490, 4330, 5933, 7361, 11866, 14722, 29665, 36805, 59330, 73610, 151117, 302234, 755585, 1511170, 2568989, 5137978, 12844945, 25689890]

約数ペア:

[(1, 25689890), (2, 12844945), (5, 5137978), (10, 2568989), (17, 1511170), (34, 755585), (85, 302234), (170, 151117), (349, 73610), (433, 59330), (698, 36805), (866, 29665), (1745, 14722), (2165, 11866), (3490, 7361), (4330, 5933)]