207955960

素因数分解:

$2^3\times 5^1\times {\mathrm{337}}^1\times {\mathrm{15427}}^1$

素因数の和:15775

約数の個数: 32

約数和(自身を含む): 469319760

約数和(自身を除く): 261363800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 337, 674, 1348, 1685, 2696, 3370, 6740, 13480, 15427, 30854, 61708, 77135, 123416, 154270, 308540, 617080, 5198899, 10397798, 20795596, 25994495, 41591192, 51988990, 103977980, 207955960]

約数ペア:

[(1, 207955960), (2, 103977980), (4, 51988990), (5, 41591192), (8, 25994495), (10, 20795596), (20, 10397798), (40, 5198899), (337, 617080), (674, 308540), (1348, 154270), (1685, 123416), (2696, 77135), (3370, 61708), (6740, 30854), (13480, 15427)]