205916120

素因数分解:

$2^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{13441}}^1$

素因数の和:13835

約数の個数: 32

約数和(自身を含む): 464555520

約数和(自身を除く): 258639400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 383, 766, 1532, 1915, 3064, 3830, 7660, 13441, 15320, 26882, 53764, 67205, 107528, 134410, 268820, 537640, 5147903, 10295806, 20591612, 25739515, 41183224, 51479030, 102958060, 205916120]

約数ペア:

[(1, 205916120), (2, 102958060), (4, 51479030), (5, 41183224), (8, 25739515), (10, 20591612), (20, 10295806), (40, 5147903), (383, 537640), (766, 268820), (1532, 134410), (1915, 107528), (3064, 67205), (3830, 53764), (7660, 26882), (13441, 15320)]