165443840

素因数分解:

$2^8\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4457}}^1$

素因数の和:4507

約数の個数: 72

約数和(自身を含む): 410046840

約数和(自身を除く): 244603000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 464, 580, 640, 928, 1160, 1280, 1856, 2320, 3712, 4457, 4640, 7424, 8914, 9280, 17828, 18560, 22285, 35656, 37120, 44570, 71312, 89140, 129253, 142624, 178280, 258506, 285248, 356560, 517012, 570496, 646265, 713120, 1034024, 1140992, 1292530, 1426240, 2068048, 2585060, 2852480, 4136096, 5170120, 5704960, 8272192, 10340240, 16544384, 20680480, 33088768, 41360960, 82721920, 165443840]

約数ペア:

[(1, 165443840), (2, 82721920), (4, 41360960), (5, 33088768), (8, 20680480), (10, 16544384), (16, 10340240), (20, 8272192), (29, 5704960), (32, 5170120), (40, 4136096), (58, 2852480), (64, 2585060), (80, 2068048), (116, 1426240), (128, 1292530), (145, 1140992), (160, 1034024), (232, 713120), (256, 646265), (290, 570496), (320, 517012), (464, 356560), (580, 285248), (640, 258506), (928, 178280), (1160, 142624), (1280, 129253), (1856, 89140), (2320, 71312), (3712, 44570), (4457, 37120), (4640, 35656), (7424, 22285), (8914, 18560), (9280, 17828)]