40671480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19937}}^1$

素因数の和:19968

約数の個数: 64

約数和(自身を含む): 129198240

約数和(自身を除く): 88526760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 19937, 39874, 59811, 79748, 99685, 119622, 159496, 199370, 239244, 299055, 338929, 398740, 478488, 598110, 677858, 797480, 1016787, 1196220, 1355716, 1694645, 2033574, 2392440, 2711432, 3389290, 4067148, 5083935, 6778580, 8134296, 10167870, 13557160, 20335740, 40671480]

約数ペア:

[(1, 40671480), (2, 20335740), (3, 13557160), (4, 10167870), (5, 8134296), (6, 6778580), (8, 5083935), (10, 4067148), (12, 3389290), (15, 2711432), (17, 2392440), (20, 2033574), (24, 1694645), (30, 1355716), (34, 1196220), (40, 1016787), (51, 797480), (60, 677858), (68, 598110), (85, 478488), (102, 398740), (120, 338929), (136, 299055), (170, 239244), (204, 199370), (255, 159496), (340, 119622), (408, 99685), (510, 79748), (680, 59811), (1020, 39874), (2040, 19937)]