13040020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5479}}^1$

素因数の和:5512

約数の個数: 48

約数和(自身を含む): 33143040

約数和(自身を除く): 20103020

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 5479, 10958, 21916, 27395, 38353, 54790, 76706, 93143, 109580, 153412, 186286, 191765, 372572, 383530, 465715, 652001, 767060, 931430, 1304002, 1862860, 2608004, 3260005, 6520010, 13040020]

約数ペア:

[(1, 13040020), (2, 6520010), (4, 3260005), (5, 2608004), (7, 1862860), (10, 1304002), (14, 931430), (17, 767060), (20, 652001), (28, 465715), (34, 383530), (35, 372572), (68, 191765), (70, 186286), (85, 153412), (119, 109580), (140, 93143), (170, 76706), (238, 54790), (340, 38353), (476, 27395), (595, 21916), (1190, 10958), (2380, 5479)]