77928320

素因数分解:

$2^7\times 5^1\times {\mathrm{121763}}^1$

素因数の和:121782

約数の個数: 32

約数和(自身を含む): 186298920

約数和(自身を除く): 108370600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 121763, 243526, 487052, 608815, 974104, 1217630, 1948208, 2435260, 3896416, 4870520, 7792832, 9741040, 15585664, 19482080, 38964160, 77928320]

約数ペア:

[(1, 77928320), (2, 38964160), (4, 19482080), (5, 15585664), (8, 9741040), (10, 7792832), (16, 4870520), (20, 3896416), (32, 2435260), (40, 1948208), (64, 1217630), (80, 974104), (128, 608815), (160, 487052), (320, 243526), (640, 121763)]