39071440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28729}}^1$

素因数の和:28759

約数の個数: 40

約数和(自身を含む): 96188040

約数和(自身を除く): 57116600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 28729, 57458, 114916, 143645, 229832, 287290, 459664, 488393, 574580, 976786, 1149160, 1953572, 2298320, 2441965, 3907144, 4883930, 7814288, 9767860, 19535720, 39071440]

約数ペア:

[(1, 39071440), (2, 19535720), (4, 9767860), (5, 7814288), (8, 4883930), (10, 3907144), (16, 2441965), (17, 2298320), (20, 1953572), (34, 1149160), (40, 976786), (68, 574580), (80, 488393), (85, 459664), (136, 287290), (170, 229832), (272, 143645), (340, 114916), (680, 57458), (1360, 28729)]