27880720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{49787}}^1$

素因数の和:49807

約数の個数: 40

約数和(自身を含む): 74084544

約数和(自身を除く): 46203824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 49787, 99574, 199148, 248935, 348509, 398296, 497870, 697018, 796592, 995740, 1394036, 1742545, 1991480, 2788072, 3485090, 3982960, 5576144, 6970180, 13940360, 27880720]

約数ペア:

[(1, 27880720), (2, 13940360), (4, 6970180), (5, 5576144), (7, 3982960), (8, 3485090), (10, 2788072), (14, 1991480), (16, 1742545), (20, 1394036), (28, 995740), (35, 796592), (40, 697018), (56, 497870), (70, 398296), (80, 348509), (112, 248935), (140, 199148), (280, 99574), (560, 49787)]