20101863040

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{1009}}^1\times {\mathrm{4447}}^1$

素因数の和:5482

約数の個数: 128

約数和(自身を含む): 54987955200

約数和(自身を除く): 34886092160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1009, 1120, 2018, 2240, 4036, 4447, 4480, 5045, 7063, 8072, 8894, 10090, 14126, 16144, 17788, 20180, 22235, 28252, 31129, 32288, 35315, 35576, 40360, 44470, 56504, 62258, 64576, 70630, 71152, 80720, 88940, 113008, 124516, 129152, 141260, 142304, 155645, 161440, 177880, 226016, 249032, 282520, 284608, 311290, 322880, 355760, 452032, 498064, 565040, 569216, 622580, 645760, 711520, 904064, 996128, 1130080, 1245160, 1423040, 1992256, 2260160, 2490320, 2846080, 3984512, 4487023, 4520320, 4980640, 8974046, 9961280, 17948092, 19922560, 22435115, 31409161, 35896184, 44870230, 62818322, 71792368, 89740460, 125636644, 143584736, 157045805, 179480920, 251273288, 287169472, 314091610, 358961840, 502546576, 574338944, 628183220, 717923680, 1005093152, 1256366440, 1435847360, 2010186304, 2512732880, 2871694720, 4020372608, 5025465760, 10050931520, 20101863040]

約数ペア:

[(1, 20101863040), (2, 10050931520), (4, 5025465760), (5, 4020372608), (7, 2871694720), (8, 2512732880), (10, 2010186304), (14, 1435847360), (16, 1256366440), (20, 1005093152), (28, 717923680), (32, 628183220), (35, 574338944), (40, 502546576), (56, 358961840), (64, 314091610), (70, 287169472), (80, 251273288), (112, 179480920), (128, 157045805), (140, 143584736), (160, 125636644), (224, 89740460), (280, 71792368), (320, 62818322), (448, 44870230), (560, 35896184), (640, 31409161), (896, 22435115), (1009, 19922560), (1120, 17948092), (2018, 9961280), (2240, 8974046), (4036, 4980640), (4447, 4520320), (4480, 4487023), (5045, 3984512), (7063, 2846080), (8072, 2490320), (8894, 2260160), (10090, 1992256), (14126, 1423040), (16144, 1245160), (17788, 1130080), (20180, 996128), (22235, 904064), (28252, 711520), (31129, 645760), (32288, 622580), (35315, 569216), (35576, 565040), (40360, 498064), (44470, 452032), (56504, 355760), (62258, 322880), (64576, 311290), (70630, 284608), (71152, 282520), (80720, 249032), (88940, 226016), (113008, 177880), (124516, 161440), (129152, 155645), (141260, 142304)]