495951920

素因数分解:

$2^4\times 5^1\times {\mathrm{6199399}}^1$

素因数の和:6199412

約数の個数: 20

約数和(自身を含む): 1153088400

約数和(自身を除く): 657136480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 6199399, 12398798, 24797596, 30996995, 49595192, 61993990, 99190384, 123987980, 247975960, 495951920]

約数ペア:

[(1, 495951920), (2, 247975960), (4, 123987980), (5, 99190384), (8, 61993990), (10, 49595192), (16, 30996995), (20, 24797596), (40, 12398798), (80, 6199399)]