12746900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{3109}}^1$

素因数の和:3164

約数の個数: 36

約数和(自身を含む): 28344540

約数和(自身を除く): 15597640

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 3109, 4100, 6218, 12436, 15545, 31090, 62180, 77725, 127469, 155450, 254938, 310900, 509876, 637345, 1274690, 2549380, 3186725, 6373450, 12746900]

約数ペア:

[(1, 12746900), (2, 6373450), (4, 3186725), (5, 2549380), (10, 1274690), (20, 637345), (25, 509876), (41, 310900), (50, 254938), (82, 155450), (100, 127469), (164, 77725), (205, 62180), (410, 31090), (820, 15545), (1025, 12436), (2050, 6218), (3109, 4100)]