72648320

素因数分解:

$2^7\times 5^1\times {\mathrm{113513}}^1$

素因数の和:113532

約数の個数: 32

約数和(自身を含む): 173676420

約数和(自身を除く): 101028100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 113513, 227026, 454052, 567565, 908104, 1135130, 1816208, 2270260, 3632416, 4540520, 7264832, 9081040, 14529664, 18162080, 36324160, 72648320]

約数ペア:

[(1, 72648320), (2, 36324160), (4, 18162080), (5, 14529664), (8, 9081040), (10, 7264832), (16, 4540520), (20, 3632416), (32, 2270260), (40, 1816208), (64, 1135130), (80, 908104), (128, 567565), (160, 454052), (320, 227026), (640, 113513)]