77992660

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1\times {\mathrm{419}}^1$

素因数の和:696

約数の個数: 48

約数和(自身を含む): 168920640

約数和(自身を除く): 90927980

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 227, 410, 419, 454, 820, 838, 908, 1135, 1676, 2095, 2270, 4190, 4540, 8380, 9307, 17179, 18614, 34358, 37228, 46535, 68716, 85895, 93070, 95113, 171790, 186140, 190226, 343580, 380452, 475565, 951130, 1902260, 3899633, 7799266, 15598532, 19498165, 38996330, 77992660]

約数ペア:

[(1, 77992660), (2, 38996330), (4, 19498165), (5, 15598532), (10, 7799266), (20, 3899633), (41, 1902260), (82, 951130), (164, 475565), (205, 380452), (227, 343580), (410, 190226), (419, 186140), (454, 171790), (820, 95113), (838, 93070), (908, 85895), (1135, 68716), (1676, 46535), (2095, 37228), (2270, 34358), (4190, 18614), (4540, 17179), (8380, 9307)]