2028843560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{26431}}^1$

素因数の和:26562

約数の個数: 64

約数和(自身を含む): 4852915200

約数和(自身を除く): 2824071640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 101, 152, 190, 202, 380, 404, 505, 760, 808, 1010, 1919, 2020, 3838, 4040, 7676, 9595, 15352, 19190, 26431, 38380, 52862, 76760, 105724, 132155, 211448, 264310, 502189, 528620, 1004378, 1057240, 2008756, 2510945, 2669531, 4017512, 5021890, 5339062, 10043780, 10678124, 13347655, 20087560, 21356248, 26695310, 50721089, 53390620, 101442178, 106781240, 202884356, 253605445, 405768712, 507210890, 1014421780, 2028843560]

約数ペア:

[(1, 2028843560), (2, 1014421780), (4, 507210890), (5, 405768712), (8, 253605445), (10, 202884356), (19, 106781240), (20, 101442178), (38, 53390620), (40, 50721089), (76, 26695310), (95, 21356248), (101, 20087560), (152, 13347655), (190, 10678124), (202, 10043780), (380, 5339062), (404, 5021890), (505, 4017512), (760, 2669531), (808, 2510945), (1010, 2008756), (1919, 1057240), (2020, 1004378), (3838, 528620), (4040, 502189), (7676, 264310), (9595, 211448), (15352, 132155), (19190, 105724), (26431, 76760), (38380, 52862)]