78445480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{115361}}^1$

素因数の和:115389

約数の個数: 32

約数和(自身を含む): 186886440

約数和(自身を除く): 108440960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 115361, 230722, 461444, 576805, 922888, 1153610, 1961137, 2307220, 3922274, 4614440, 7844548, 9805685, 15689096, 19611370, 39222740, 78445480]

約数ペア:

[(1, 78445480), (2, 39222740), (4, 19611370), (5, 15689096), (8, 9805685), (10, 7844548), (17, 4614440), (20, 3922274), (34, 2307220), (40, 1961137), (68, 1153610), (85, 922888), (136, 576805), (170, 461444), (340, 230722), (680, 115361)]