28450840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{64661}}^1$

素因数の和:64683

約数の個数: 32

約数和(自身を含む): 69834960

約数和(自身を除く): 41384120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 64661, 129322, 258644, 323305, 517288, 646610, 711271, 1293220, 1422542, 2586440, 2845084, 3556355, 5690168, 7112710, 14225420, 28450840]

約数ペア:

[(1, 28450840), (2, 14225420), (4, 7112710), (5, 5690168), (8, 3556355), (10, 2845084), (11, 2586440), (20, 1422542), (22, 1293220), (40, 711271), (44, 646610), (55, 517288), (88, 323305), (110, 258644), (220, 129322), (440, 64661)]