18203080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{65011}}^1$

素因数の和:65029

約数の個数: 32

約数和(自身を含む): 46808640

約数和(自身を除く): 28605560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 65011, 130022, 260044, 325055, 455077, 520088, 650110, 910154, 1300220, 1820308, 2275385, 2600440, 3640616, 4550770, 9101540, 18203080]

約数ペア:

[(1, 18203080), (2, 9101540), (4, 4550770), (5, 3640616), (7, 2600440), (8, 2275385), (10, 1820308), (14, 1300220), (20, 910154), (28, 650110), (35, 520088), (40, 455077), (56, 325055), (70, 260044), (140, 130022), (280, 65011)]