87741440

素因数分解:

$2^{10}\times 5^1\times {\mathrm{17137}}^1$

素因数の和:17162

約数の個数: 44

約数和(自身を含む): 210488916

約数和(自身を除く): 122747476

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 17137, 34274, 68548, 85685, 137096, 171370, 274192, 342740, 548384, 685480, 1096768, 1370960, 2193536, 2741920, 4387072, 5483840, 8774144, 10967680, 17548288, 21935360, 43870720, 87741440]

約数ペア:

[(1, 87741440), (2, 43870720), (4, 21935360), (5, 17548288), (8, 10967680), (10, 8774144), (16, 5483840), (20, 4387072), (32, 2741920), (40, 2193536), (64, 1370960), (80, 1096768), (128, 685480), (160, 548384), (256, 342740), (320, 274192), (512, 171370), (640, 137096), (1024, 85685), (1280, 68548), (2560, 34274), (5120, 17137)]