8140720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{14537}}^1$

素因数の和:14557

約数の個数: 40

約数和(自身を含む): 21632544

約数和(自身を除く): 13491824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 14537, 29074, 58148, 72685, 101759, 116296, 145370, 203518, 232592, 290740, 407036, 508795, 581480, 814072, 1017590, 1162960, 1628144, 2035180, 4070360, 8140720]

約数ペア:

[(1, 8140720), (2, 4070360), (4, 2035180), (5, 1628144), (7, 1162960), (8, 1017590), (10, 814072), (14, 581480), (16, 508795), (20, 407036), (28, 290740), (35, 232592), (40, 203518), (56, 145370), (70, 116296), (80, 101759), (112, 72685), (140, 58148), (280, 29074), (560, 14537)]