1301080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2957}}^1$

素因数の和:2979

約数の個数: 32

約数和(自身を含む): 3194640

約数和(自身を除く): 1893560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 2957, 5914, 11828, 14785, 23656, 29570, 32527, 59140, 65054, 118280, 130108, 162635, 260216, 325270, 650540, 1301080]

約数ペア:

[(1, 1301080), (2, 650540), (4, 325270), (5, 260216), (8, 162635), (10, 130108), (11, 118280), (20, 65054), (22, 59140), (40, 32527), (44, 29570), (55, 23656), (88, 14785), (110, 11828), (220, 5914), (440, 2957)]