65540720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{117037}}^1$

素因数の和:117057

約数の個数: 40

約数和(自身を含む): 174152544

約数和(自身を除く): 108611824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 117037, 234074, 468148, 585185, 819259, 936296, 1170370, 1638518, 1872592, 2340740, 3277036, 4096295, 4681480, 6554072, 8192590, 9362960, 13108144, 16385180, 32770360, 65540720]

約数ペア:

[(1, 65540720), (2, 32770360), (4, 16385180), (5, 13108144), (7, 9362960), (8, 8192590), (10, 6554072), (14, 4681480), (16, 4096295), (20, 3277036), (28, 2340740), (35, 1872592), (40, 1638518), (56, 1170370), (70, 936296), (80, 819259), (112, 585185), (140, 468148), (280, 234074), (560, 117037)]