40576090

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{479}}^1$

素因数の和:726

約数の個数: 32

約数和(自身を含む): 75271680

約数和(自身を除く): 34695590

約数列:

[1, 2, 5, 10, 43, 86, 197, 215, 394, 430, 479, 958, 985, 1970, 2395, 4790, 8471, 16942, 20597, 41194, 42355, 84710, 94363, 102985, 188726, 205970, 471815, 943630, 4057609, 8115218, 20288045, 40576090]

約数ペア:

[(1, 40576090), (2, 20288045), (5, 8115218), (10, 4057609), (43, 943630), (86, 471815), (197, 205970), (215, 188726), (394, 102985), (430, 94363), (479, 84710), (958, 42355), (985, 41194), (1970, 20597), (2395, 16942), (4790, 8471)]