25296640

素因数分解:

$2^8\times 5^1\times {\mathrm{19763}}^1$

素因数の和:19784

約数の個数: 36

約数和(自身を含む): 60596424

約数和(自身を除く): 35299784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 19763, 39526, 79052, 98815, 158104, 197630, 316208, 395260, 632416, 790520, 1264832, 1581040, 2529664, 3162080, 5059328, 6324160, 12648320, 25296640]

約数ペア:

[(1, 25296640), (2, 12648320), (4, 6324160), (5, 5059328), (8, 3162080), (10, 2529664), (16, 1581040), (20, 1264832), (32, 790520), (40, 632416), (64, 395260), (80, 316208), (128, 197630), (160, 158104), (256, 98815), (320, 79052), (640, 39526), (1280, 19763)]