828640

素因数分解:

$2^5\times 5^1\times {\mathrm{5179}}^1$

素因数の和:5194

約数の個数: 24

約数和(自身を含む): 1958040

約数和(自身を除く): 1129400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 5179, 10358, 20716, 25895, 41432, 51790, 82864, 103580, 165728, 207160, 414320, 828640]

約数ペア:

[(1, 828640), (2, 414320), (4, 207160), (5, 165728), (8, 103580), (10, 82864), (16, 51790), (20, 41432), (32, 25895), (40, 20716), (80, 10358), (160, 5179)]