8780240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{15679}}^1$

素因数の和:15699

約数の個数: 40

約数和(自身を含む): 23331840

約数和(自身を除く): 14551600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 15679, 31358, 62716, 78395, 109753, 125432, 156790, 219506, 250864, 313580, 439012, 548765, 627160, 878024, 1097530, 1254320, 1756048, 2195060, 4390120, 8780240]

約数ペア:

[(1, 8780240), (2, 4390120), (4, 2195060), (5, 1756048), (7, 1254320), (8, 1097530), (10, 878024), (14, 627160), (16, 548765), (20, 439012), (28, 313580), (35, 250864), (40, 219506), (56, 156790), (70, 125432), (80, 109753), (112, 78395), (140, 62716), (280, 31358), (560, 15679)]