22415920

素因数分解:

$2^4\times 5^1\times {\mathrm{280199}}^1$

素因数の和:280212

約数の個数: 20

約数和(自身を含む): 52117200

約数和(自身を除く): 29701280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 280199, 560398, 1120796, 1400995, 2241592, 2801990, 4483184, 5603980, 11207960, 22415920]

約数ペア:

[(1, 22415920), (2, 11207960), (4, 5603980), (5, 4483184), (8, 2801990), (10, 2241592), (16, 1400995), (20, 1120796), (40, 560398), (80, 280199)]