85350520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{733}}^1$

素因数の和:856

約数の個数: 64

約数和(自身を含む): 199765440

約数和(自身を除く): 114414920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 71, 82, 142, 164, 205, 284, 328, 355, 410, 568, 710, 733, 820, 1420, 1466, 1640, 2840, 2911, 2932, 3665, 5822, 5864, 7330, 11644, 14555, 14660, 23288, 29110, 29320, 30053, 52043, 58220, 60106, 104086, 116440, 120212, 150265, 208172, 240424, 260215, 300530, 416344, 520430, 601060, 1040860, 1202120, 2081720, 2133763, 4267526, 8535052, 10668815, 17070104, 21337630, 42675260, 85350520]

約数ペア:

[(1, 85350520), (2, 42675260), (4, 21337630), (5, 17070104), (8, 10668815), (10, 8535052), (20, 4267526), (40, 2133763), (41, 2081720), (71, 1202120), (82, 1040860), (142, 601060), (164, 520430), (205, 416344), (284, 300530), (328, 260215), (355, 240424), (410, 208172), (568, 150265), (710, 120212), (733, 116440), (820, 104086), (1420, 60106), (1466, 58220), (1640, 52043), (2840, 30053), (2911, 29320), (2932, 29110), (3665, 23288), (5822, 14660), (5864, 14555), (7330, 11644)]