13505480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19861}}^1$

素因数の和:19889

約数の個数: 32

約数和(自身を含む): 32176440

約数和(自身を除く): 18670960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 19861, 39722, 79444, 99305, 158888, 198610, 337637, 397220, 675274, 794440, 1350548, 1688185, 2701096, 3376370, 6752740, 13505480]

約数ペア:

[(1, 13505480), (2, 6752740), (4, 3376370), (5, 2701096), (8, 1688185), (10, 1350548), (17, 794440), (20, 675274), (34, 397220), (40, 337637), (68, 198610), (85, 158888), (136, 99305), (170, 79444), (340, 39722), (680, 19861)]