12648320

素因数分解:

$2^7\times 5^1\times {\mathrm{19763}}^1$

素因数の和:19782

約数の個数: 32

約数和(自身を含む): 30238920

約数和(自身を除く): 17590600

約数列:

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

約数ペア:

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