196263040

素因数分解:

$2^7\times 5^1\times {\mathrm{306661}}^1$

素因数の和:306680

約数の個数: 32

約数和(自身を含む): 469192860

約数和(自身を除く): 272929820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 306661, 613322, 1226644, 1533305, 2453288, 3066610, 4906576, 6133220, 9813152, 12266440, 19626304, 24532880, 39252608, 49065760, 98131520, 196263040]

約数ペア:

[(1, 196263040), (2, 98131520), (4, 49065760), (5, 39252608), (8, 24532880), (10, 19626304), (16, 12266440), (20, 9813152), (32, 6133220), (40, 4906576), (64, 3066610), (80, 2453288), (128, 1533305), (160, 1226644), (320, 613322), (640, 306661)]