648320

素因数分解:

$2^7\times 5^1\times {\mathrm{1013}}^1$

素因数の和:1032

約数の個数: 32

約数和(自身を含む): 1551420

約数和(自身を除く): 903100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1013, 2026, 4052, 5065, 8104, 10130, 16208, 20260, 32416, 40520, 64832, 81040, 129664, 162080, 324160, 648320]

約数ペア:

[(1, 648320), (2, 324160), (4, 162080), (5, 129664), (8, 81040), (10, 64832), (16, 40520), (20, 32416), (32, 20260), (40, 16208), (64, 10130), (80, 8104), (128, 5065), (160, 4052), (320, 2026), (640, 1013)]