81196.000000

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1$

素因数の和:369

約数の個数: 48

約数和(自身を含む): 2299752

約数和(自身を除く): 1383112

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 337, 340, 544, 674, 680, 1348, 1360, 1685, 2696, 2720, 3370, 5392, 5729, 6740, 10784, 11458, 13480, 22916, 26960, 28645, 45832, 53920, 57290, 91664, 114580, 183328, 229160, 458320, 916640]

約数ペア:

[(1, 916640), (2, 458320), (4, 229160), (5, 183328), (8, 114580), (10, 91664), (16, 57290), (17, 53920), (20, 45832), (32, 28645), (34, 26960), (40, 22916), (68, 13480), (80, 11458), (85, 10784), (136, 6740), (160, 5729), (170, 5392), (272, 3370), (337, 2720), (340, 2696), (544, 1685), (674, 1360), (680, 1348)]