64720085

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{443}}^1\times {\mathrm{479}}^1$

素因数の和:988

約数の個数: 16

約数和(自身を含む): 79280640

約数和(自身を除く): 14560555

約数列:

[1, 5, 61, 305, 443, 479, 2215, 2395, 27023, 29219, 135115, 146095, 212197, 1060985, 12944017, 64720085]

約数ペア:

[(1, 64720085), (5, 12944017), (61, 1060985), (305, 212197), (443, 146095), (479, 135115), (2215, 29219), (2395, 27023)]