145296640

素因数分解:

$2^8\times 5^1\times {\mathrm{113513}}^1$

素因数の和:113534

約数の個数: 36

約数和(自身を含む): 348033924

約数和(自身を除く): 202737284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 113513, 227026, 454052, 567565, 908104, 1135130, 1816208, 2270260, 3632416, 4540520, 7264832, 9081040, 14529664, 18162080, 29059328, 36324160, 72648320, 145296640]

約数ペア:

[(1, 145296640), (2, 72648320), (4, 36324160), (5, 29059328), (8, 18162080), (10, 14529664), (16, 9081040), (20, 7264832), (32, 4540520), (40, 3632416), (64, 2270260), (80, 1816208), (128, 1135130), (160, 908104), (256, 567565), (320, 454052), (640, 227026), (1280, 113513)]