18016640

素因数分解:

$2^7\times 5^1\times {\mathrm{28151}}^1$

素因数の和:28170

約数の個数: 32

約数和(自身を含む): 43072560

約数和(自身を除く): 25055920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 28151, 56302, 112604, 140755, 225208, 281510, 450416, 563020, 900832, 1126040, 1801664, 2252080, 3603328, 4504160, 9008320, 18016640]

約数ペア:

[(1, 18016640), (2, 9008320), (4, 4504160), (5, 3603328), (8, 2252080), (10, 1801664), (16, 1126040), (20, 900832), (32, 563020), (40, 450416), (64, 281510), (80, 225208), (128, 140755), (160, 112604), (320, 56302), (640, 28151)]