8539480

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^2\times {\mathrm{127}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 19848960

約数和(自身を除く): 11309480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 127, 164, 205, 254, 328, 410, 508, 635, 820, 1016, 1270, 1640, 1681, 2540, 3362, 5080, 5207, 6724, 8405, 10414, 13448, 16810, 20828, 26035, 33620, 41656, 52070, 67240, 104140, 208280, 213487, 426974, 853948, 1067435, 1707896, 2134870, 4269740, 8539480]

約数ペア:

[(1, 8539480), (2, 4269740), (4, 2134870), (5, 1707896), (8, 1067435), (10, 853948), (20, 426974), (40, 213487), (41, 208280), (82, 104140), (127, 67240), (164, 52070), (205, 41656), (254, 33620), (328, 26035), (410, 20828), (508, 16810), (635, 13448), (820, 10414), (1016, 8405), (1270, 6724), (1640, 5207), (1681, 5080), (2540, 3362)]