28032640

素因数分解:

$2^7\times 5^1\times {\mathrm{43801}}^1$

素因数の和:43820

約数の個数: 32

約数和(自身を含む): 67017060

約数和(自身を除く): 38984420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 43801, 87602, 175204, 219005, 350408, 438010, 700816, 876020, 1401632, 1752040, 2803264, 3504080, 5606528, 7008160, 14016320, 28032640]

約数ペア:

[(1, 28032640), (2, 14016320), (4, 7008160), (5, 5606528), (8, 3504080), (10, 2803264), (16, 1752040), (20, 1401632), (32, 876020), (40, 700816), (64, 438010), (80, 350408), (128, 219005), (160, 175204), (320, 87602), (640, 43801)]