1288572280

素因数分解:

$2^3\times 5^1\times {\mathrm{32214307}}^1$

素因数の和:32214318

約数の個数: 16

約数和(自身を含む): 2899287720

約数和(自身を除く): 1610715440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 32214307, 64428614, 128857228, 161071535, 257714456, 322143070, 644286140, 1288572280]

約数ペア:

[(1, 1288572280), (2, 644286140), (4, 322143070), (5, 257714456), (8, 161071535), (10, 128857228), (20, 64428614), (40, 32214307)]