16417580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{443}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 36923040

約数和(自身を除く): 20505460

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 109, 170, 218, 340, 436, 443, 545, 886, 1090, 1772, 1853, 2180, 2215, 3706, 4430, 7412, 7531, 8860, 9265, 15062, 18530, 30124, 37060, 37655, 48287, 75310, 96574, 150620, 193148, 241435, 482870, 820879, 965740, 1641758, 3283516, 4104395, 8208790, 16417580]

約数ペア:

[(1, 16417580), (2, 8208790), (4, 4104395), (5, 3283516), (10, 1641758), (17, 965740), (20, 820879), (34, 482870), (68, 241435), (85, 193148), (109, 150620), (170, 96574), (218, 75310), (340, 48287), (436, 37655), (443, 37060), (545, 30124), (886, 18530), (1090, 15062), (1772, 9265), (1853, 8860), (2180, 7531), (2215, 7412), (3706, 4430)]