13185520

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3833}}^1$

素因数の和:3889

約数の個数: 40

約数和(自身を含む): 31377456

約数和(自身を除く): 18191936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 3833, 7666, 15332, 19165, 30664, 38330, 61328, 76660, 153320, 164819, 306640, 329638, 659276, 824095, 1318552, 1648190, 2637104, 3296380, 6592760, 13185520]

約数ペア:

[(1, 13185520), (2, 6592760), (4, 3296380), (5, 2637104), (8, 1648190), (10, 1318552), (16, 824095), (20, 659276), (40, 329638), (43, 306640), (80, 164819), (86, 153320), (172, 76660), (215, 61328), (344, 38330), (430, 30664), (688, 19165), (860, 15332), (1720, 7666), (3440, 3833)]