340880

素因数分解:

$2^4\times 5^1\times {\mathrm{4261}}^1$

素因数の和:4274

約数の個数: 20

約数和(自身を含む): 792732

約数和(自身を除く): 451852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4261, 8522, 17044, 21305, 34088, 42610, 68176, 85220, 170440, 340880]

約数ペア:

[(1, 340880), (2, 170440), (4, 85220), (5, 68176), (8, 42610), (10, 34088), (16, 21305), (20, 17044), (40, 8522), (80, 4261)]