7940120

素因数分解:

$2^3\times 5^1\times {\mathrm{198503}}^1$

素因数の和:198514

約数の個数: 16

約数和(自身を含む): 17865360

約数和(自身を除く): 9925240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 198503, 397006, 794012, 992515, 1588024, 1985030, 3970060, 7940120]

約数ペア:

[(1, 7940120), (2, 3970060), (4, 1985030), (5, 1588024), (8, 992515), (10, 794012), (20, 397006), (40, 198503)]