206103680

素因数分解:

$2^7\times 5^1\times {\mathrm{322037}}^1$

素因数の和:322056

約数の個数: 32

約数和(自身を含む): 492718140

約数和(自身を除く): 286614460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 322037, 644074, 1288148, 1610185, 2576296, 3220370, 5152592, 6440740, 10305184, 12881480, 20610368, 25762960, 41220736, 51525920, 103051840, 206103680]

約数ペア:

[(1, 206103680), (2, 103051840), (4, 51525920), (5, 41220736), (8, 25762960), (10, 20610368), (16, 12881480), (20, 10305184), (32, 6440740), (40, 5152592), (64, 3220370), (80, 2576296), (128, 1610185), (160, 1288148), (320, 644074), (640, 322037)]