66005480

素因数分解:

$2^3\times 5^1\times {\mathrm{1650137}}^1$

素因数の和:1650148

約数の個数: 16

約数和(自身を含む): 148512420

約数和(自身を除く): 82506940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1650137, 3300274, 6600548, 8250685, 13201096, 16501370, 33002740, 66005480]

約数ペア:

[(1, 66005480), (2, 33002740), (4, 16501370), (5, 13201096), (8, 8250685), (10, 6600548), (20, 3300274), (40, 1650137)]