90331720

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{11701}}^1$

素因数の和:11905

約数の個数: 32

約数和(自身を含む): 204316920

約数和(自身を除く): 113985200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 7720, 11701, 23402, 46804, 58505, 93608, 117010, 234020, 468040, 2258293, 4516586, 9033172, 11291465, 18066344, 22582930, 45165860, 90331720]

約数ペア:

[(1, 90331720), (2, 45165860), (4, 22582930), (5, 18066344), (8, 11291465), (10, 9033172), (20, 4516586), (40, 2258293), (193, 468040), (386, 234020), (772, 117010), (965, 93608), (1544, 58505), (1930, 46804), (3860, 23402), (7720, 11701)]