69660040

素因数分解:

$2^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{4547}}^1$

素因数の和:4941

約数の個数: 32

約数和(自身を含む): 157178880

約数和(自身を除く): 87518840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 383, 766, 1532, 1915, 3064, 3830, 4547, 7660, 9094, 15320, 18188, 22735, 36376, 45470, 90940, 181880, 1741501, 3483002, 6966004, 8707505, 13932008, 17415010, 34830020, 69660040]

約数ペア:

[(1, 69660040), (2, 34830020), (4, 17415010), (5, 13932008), (8, 8707505), (10, 6966004), (20, 3483002), (40, 1741501), (383, 181880), (766, 90940), (1532, 45470), (1915, 36376), (3064, 22735), (3830, 18188), (4547, 15320), (7660, 9094)]