89771840

素因数分解:

$2^6\times 5^1\times {\mathrm{280537}}^1$

素因数の和:280554

約数の個数: 28

約数和(自身を含む): 213769956

約数和(自身を除く): 123998116

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 280537, 561074, 1122148, 1402685, 2244296, 2805370, 4488592, 5610740, 8977184, 11221480, 17954368, 22442960, 44885920, 89771840]

約数ペア:

[(1, 89771840), (2, 44885920), (4, 22442960), (5, 17954368), (8, 11221480), (10, 8977184), (16, 5610740), (20, 4488592), (32, 2805370), (40, 2244296), (64, 1402685), (80, 1122148), (160, 561074), (320, 280537)]