90972160

素因数分解:

$2^{13}\times 5^1\times {\mathrm{2221}}^1$

素因数の和:2252

約数の個数: 56

約数和(自身を含む): 218418156

約数和(自身を除く): 127445996

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2221, 2560, 4096, 4442, 5120, 8192, 8884, 10240, 11105, 17768, 20480, 22210, 35536, 40960, 44420, 71072, 88840, 142144, 177680, 284288, 355360, 568576, 710720, 1137152, 1421440, 2274304, 2842880, 4548608, 5685760, 9097216, 11371520, 18194432, 22743040, 45486080, 90972160]

約数ペア:

[(1, 90972160), (2, 45486080), (4, 22743040), (5, 18194432), (8, 11371520), (10, 9097216), (16, 5685760), (20, 4548608), (32, 2842880), (40, 2274304), (64, 1421440), (80, 1137152), (128, 710720), (160, 568576), (256, 355360), (320, 284288), (512, 177680), (640, 142144), (1024, 88840), (1280, 71072), (2048, 44420), (2221, 40960), (2560, 35536), (4096, 22210), (4442, 20480), (5120, 17768), (8192, 11105), (8884, 10240)]