28769060

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{3517}}^1$

素因数の和:3935

約数の個数: 24

約数和(自身を含む): 60579960

約数和(自身を除く): 31810900

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 3517, 4090, 7034, 8180, 14068, 17585, 35170, 70340, 1438453, 2876906, 5753812, 7192265, 14384530, 28769060]

約数ペア:

[(1, 28769060), (2, 14384530), (4, 7192265), (5, 5753812), (10, 2876906), (20, 1438453), (409, 70340), (818, 35170), (1636, 17585), (2045, 14068), (3517, 8180), (4090, 7034)]