51430640

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{3331}}^1$

素因数の和:3537

約数の個数: 40

約数和(自身を含む): 120231888

約数和(自身を除く): 68801248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1544, 1930, 3088, 3331, 3860, 6662, 7720, 13324, 15440, 16655, 26648, 33310, 53296, 66620, 133240, 266480, 642883, 1285766, 2571532, 3214415, 5143064, 6428830, 10286128, 12857660, 25715320, 51430640]

約数ペア:

[(1, 51430640), (2, 25715320), (4, 12857660), (5, 10286128), (8, 6428830), (10, 5143064), (16, 3214415), (20, 2571532), (40, 1285766), (80, 642883), (193, 266480), (386, 133240), (772, 66620), (965, 53296), (1544, 33310), (1930, 26648), (3088, 16655), (3331, 15440), (3860, 13324), (6662, 7720)]