88191640

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{6661}}^1$

素因数の和:7003

約数の個数: 32

約数和(自身を含む): 199060560

約数和(自身を除く): 110868920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3310, 6620, 6661, 13240, 13322, 26644, 33305, 53288, 66610, 133220, 266440, 2204791, 4409582, 8819164, 11023955, 17638328, 22047910, 44095820, 88191640]

約数ペア:

[(1, 88191640), (2, 44095820), (4, 22047910), (5, 17638328), (8, 11023955), (10, 8819164), (20, 4409582), (40, 2204791), (331, 266440), (662, 133220), (1324, 66610), (1655, 53288), (2648, 33305), (3310, 26644), (6620, 13322), (6661, 13240)]