2018083840

素因数分解:

$2^{10}\times 5^1\times {\mathrm{394157}}^1$

素因数の和:394182

約数の個数: 44

約数和(自身を含む): 4841048556

約数和(自身を除く): 2822964716

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, 394157, 788314, 1576628, 1970785, 3153256, 3941570, 6306512, 7883140, 12613024, 15766280, 25226048, 31532560, 50452096, 63065120, 100904192, 126130240, 201808384, 252260480, 403616768, 504520960, 1009041920, 2018083840]

約数ペア:

[(1, 2018083840), (2, 1009041920), (4, 504520960), (5, 403616768), (8, 252260480), (10, 201808384), (16, 126130240), (20, 100904192), (32, 63065120), (40, 50452096), (64, 31532560), (80, 25226048), (128, 15766280), (160, 12613024), (256, 7883140), (320, 6306512), (512, 3941570), (640, 3153256), (1024, 1970785), (1280, 1576628), (2560, 788314), (5120, 394157)]