85128320

素因数分解:

$2^7\times 5^1\times {\mathrm{133013}}^1$

素因数の和:133032

約数の個数: 32

約数和(自身を含む): 203511420

約数和(自身を除く): 118383100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 133013, 266026, 532052, 665065, 1064104, 1330130, 2128208, 2660260, 4256416, 5320520, 8512832, 10641040, 17025664, 21282080, 42564160, 85128320]

約数ペア:

[(1, 85128320), (2, 42564160), (4, 21282080), (5, 17025664), (8, 10641040), (10, 8512832), (16, 5320520), (20, 4256416), (32, 2660260), (40, 2128208), (64, 1330130), (80, 1064104), (128, 665065), (160, 532052), (320, 266026), (640, 133013)]