8278820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{311}}^1$

素因数の和:353

約数の個数: 48

約数和(自身を含む): 19184256

約数和(自身を除く): 10905436

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 311, 484, 605, 622, 1210, 1244, 1331, 1555, 2420, 2662, 3110, 3421, 5324, 6220, 6655, 6842, 13310, 13684, 17105, 26620, 34210, 37631, 68420, 75262, 150524, 188155, 376310, 413941, 752620, 827882, 1655764, 2069705, 4139410, 8278820]

約数ペア:

[(1, 8278820), (2, 4139410), (4, 2069705), (5, 1655764), (10, 827882), (11, 752620), (20, 413941), (22, 376310), (44, 188155), (55, 150524), (110, 75262), (121, 68420), (220, 37631), (242, 34210), (311, 26620), (484, 17105), (605, 13684), (622, 13310), (1210, 6842), (1244, 6655), (1331, 6220), (1555, 5324), (2420, 3421), (2662, 3110)]