1088891240

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{64661}}^1$

素因数の和:65093

約数の個数: 32

約数和(自身を含む): 2455862760

約数和(自身を除く): 1366971520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1684, 2105, 3368, 4210, 8420, 16840, 64661, 129322, 258644, 323305, 517288, 646610, 1293220, 2586440, 27222281, 54444562, 108889124, 136111405, 217778248, 272222810, 544445620, 1088891240]

約数ペア:

[(1, 1088891240), (2, 544445620), (4, 272222810), (5, 217778248), (8, 136111405), (10, 108889124), (20, 54444562), (40, 27222281), (421, 2586440), (842, 1293220), (1684, 646610), (2105, 517288), (3368, 323305), (4210, 258644), (8420, 129322), (16840, 64661)]