7172420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5051}}^1$

素因数の和:5131

約数の個数: 24

約数和(自身を含む): 15277248

約数和(自身を除く): 8104828

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 5051, 10102, 20204, 25255, 50510, 101020, 358621, 717242, 1434484, 1793105, 3586210, 7172420]

約数ペア:

[(1, 7172420), (2, 3586210), (4, 1793105), (5, 1434484), (10, 717242), (20, 358621), (71, 101020), (142, 50510), (284, 25255), (355, 20204), (710, 10102), (1420, 5051)]