207940120

素因数分解:

$2^3\times 5^1\times {\mathrm{5198503}}^1$

素因数の和:5198514

約数の個数: 16

約数和(自身を含む): 467865360

約数和(自身を除く): 259925240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5198503, 10397006, 20794012, 25992515, 41588024, 51985030, 103970060, 207940120]

約数ペア:

[(1, 207940120), (2, 103970060), (4, 51985030), (5, 41588024), (8, 25992515), (10, 20794012), (20, 10397006), (40, 5198503)]