13556620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8803}}^1$

素因数の和:8830

約数の個数: 48

約数和(自身を含む): 35497728

約数和(自身を除く): 21941108

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 8803, 17606, 35212, 44015, 61621, 88030, 96833, 123242, 176060, 193666, 246484, 308105, 387332, 484165, 616210, 677831, 968330, 1232420, 1355662, 1936660, 2711324, 3389155, 6778310, 13556620]

約数ペア:

[(1, 13556620), (2, 6778310), (4, 3389155), (5, 2711324), (7, 1936660), (10, 1355662), (11, 1232420), (14, 968330), (20, 677831), (22, 616210), (28, 484165), (35, 387332), (44, 308105), (55, 246484), (70, 193666), (77, 176060), (110, 123242), (140, 96833), (154, 88030), (220, 61621), (308, 44015), (385, 35212), (770, 17606), (1540, 8803)]