823880

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{479}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 1900800

約数和(自身を除く): 1076920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 479, 860, 958, 1720, 1916, 2395, 3832, 4790, 9580, 19160, 20597, 41194, 82388, 102985, 164776, 205970, 411940, 823880]

約数ペア:

[(1, 823880), (2, 411940), (4, 205970), (5, 164776), (8, 102985), (10, 82388), (20, 41194), (40, 20597), (43, 19160), (86, 9580), (172, 4790), (215, 3832), (344, 2395), (430, 1916), (479, 1720), (860, 958)]