418289680

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{47969}}^1$

素因数の和:48091

約数の個数: 40

約数和(自身を含む): 981466200

約数和(自身を除く): 563176520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 47969, 95938, 191876, 239845, 383752, 479690, 767504, 959380, 1918760, 3837520, 5228621, 10457242, 20914484, 26143105, 41828968, 52286210, 83657936, 104572420, 209144840, 418289680]

約数ペア:

[(1, 418289680), (2, 209144840), (4, 104572420), (5, 83657936), (8, 52286210), (10, 41828968), (16, 26143105), (20, 20914484), (40, 10457242), (80, 5228621), (109, 3837520), (218, 1918760), (436, 959380), (545, 767504), (872, 479690), (1090, 383752), (1744, 239845), (2180, 191876), (4360, 95938), (8720, 47969)]