207855920

素因数分解:

$2^4\times 5^1\times {\mathrm{2598199}}^1$

素因数の和:2598212

約数の個数: 20

約数和(自身を含む): 483265200

約数和(自身を除く): 275409280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2598199, 5196398, 10392796, 12990995, 20785592, 25981990, 41571184, 51963980, 103927960, 207855920]

約数ペア:

[(1, 207855920), (2, 103927960), (4, 51963980), (5, 41571184), (8, 25981990), (10, 20785592), (16, 12990995), (20, 10392796), (40, 5196398), (80, 2598199)]