8151940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9479}}^1$

素因数の和:9531

約数の個数: 24

約数和(自身を含む): 17519040

約数和(自身を除く): 9367100

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 9479, 18958, 37916, 47395, 94790, 189580, 407597, 815194, 1630388, 2037985, 4075970, 8151940]

約数ペア:

[(1, 8151940), (2, 4075970), (4, 2037985), (5, 1630388), (10, 815194), (20, 407597), (43, 189580), (86, 94790), (172, 47395), (215, 37916), (430, 18958), (860, 9479)]