89319980

素因数分解:

$2^2\times 5^1\times {\mathrm{1459}}^1\times {\mathrm{3061}}^1$

素因数の和:4529

約数の個数: 24

約数和(自身を含む): 187761840

約数和(自身を除く): 98441860

約数列:

[1, 2, 4, 5, 10, 20, 1459, 2918, 3061, 5836, 6122, 7295, 12244, 14590, 15305, 29180, 30610, 61220, 4465999, 8931998, 17863996, 22329995, 44659990, 89319980]

約数ペア:

[(1, 89319980), (2, 44659990), (4, 22329995), (5, 17863996), (10, 8931998), (20, 4465999), (1459, 61220), (2918, 30610), (3061, 29180), (5836, 15305), (6122, 14590), (7295, 12244)]