180184520

素因数分解:

$2^3\times 5^1\times {\mathrm{1283}}^1\times {\mathrm{3511}}^1$

素因数の和:4805

約数の個数: 32

約数和(自身を含む): 405846720

約数和(自身を除く): 225662200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1283, 2566, 3511, 5132, 6415, 7022, 10264, 12830, 14044, 17555, 25660, 28088, 35110, 51320, 70220, 140440, 4504613, 9009226, 18018452, 22523065, 36036904, 45046130, 90092260, 180184520]

約数ペア:

[(1, 180184520), (2, 90092260), (4, 45046130), (5, 36036904), (8, 22523065), (10, 18018452), (20, 9009226), (40, 4504613), (1283, 140440), (2566, 70220), (3511, 51320), (5132, 35110), (6415, 28088), (7022, 25660), (10264, 17555), (12830, 14044)]