79607920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{142157}}^1$

素因数の和:142177

約数の個数: 40

約数和(自身を含む): 211531104

約数和(自身を除く): 131923184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 142157, 284314, 568628, 710785, 995099, 1137256, 1421570, 1990198, 2274512, 2843140, 3980396, 4975495, 5686280, 7960792, 9950990, 11372560, 15921584, 19901980, 39803960, 79607920]

約数ペア:

[(1, 79607920), (2, 39803960), (4, 19901980), (5, 15921584), (7, 11372560), (8, 9950990), (10, 7960792), (14, 5686280), (16, 4975495), (20, 3980396), (28, 2843140), (35, 2274512), (40, 1990198), (56, 1421570), (70, 1137256), (80, 995099), (112, 710785), (140, 568628), (280, 284314), (560, 142157)]