8415920

素因数分解:

$2^4\times 5^1\times {\mathrm{105199}}^1$

素因数の和:105212

約数の個数: 20

約数和(自身を含む): 19567200

約数和(自身を除く): 11151280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 105199, 210398, 420796, 525995, 841592, 1051990, 1683184, 2103980, 4207960, 8415920]

約数ペア:

[(1, 8415920), (2, 4207960), (4, 2103980), (5, 1683184), (8, 1051990), (10, 841592), (16, 525995), (20, 420796), (40, 210398), (80, 105199)]