219312880

素因数分解:

$2^4\times 5^1\times {\mathrm{2741411}}^1$

素因数の和:2741424

約数の個数: 20

約数和(自身を含む): 509902632

約数和(自身を除く): 290589752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2741411, 5482822, 10965644, 13707055, 21931288, 27414110, 43862576, 54828220, 109656440, 219312880]

約数ペア:

[(1, 219312880), (2, 109656440), (4, 54828220), (5, 43862576), (8, 27414110), (10, 21931288), (16, 13707055), (20, 10965644), (40, 5482822), (80, 2741411)]