123888760

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{17903}}^1$

素因数の和:18087

約数の個数: 32

約数和(自身を含む): 280376640

約数和(自身を除く): 156487880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 17903, 35806, 71612, 89515, 143224, 179030, 358060, 716120, 3097219, 6194438, 12388876, 15486095, 24777752, 30972190, 61944380, 123888760]

約数ペア:

[(1, 123888760), (2, 61944380), (4, 30972190), (5, 24777752), (8, 15486095), (10, 12388876), (20, 6194438), (40, 3097219), (173, 716120), (346, 358060), (692, 179030), (865, 143224), (1384, 89515), (1730, 71612), (3460, 35806), (6920, 17903)]