8812520

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:218

約数の個数: 64

約数和(自身を含む): 20995200

約数和(自身を除く): 12182680

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 71, 107, 116, 142, 145, 214, 232, 284, 290, 355, 428, 535, 568, 580, 710, 856, 1070, 1160, 1420, 2059, 2140, 2840, 3103, 4118, 4280, 6206, 7597, 8236, 10295, 12412, 15194, 15515, 16472, 20590, 24824, 30388, 31030, 37985, 41180, 60776, 62060, 75970, 82360, 124120, 151940, 220313, 303880, 440626, 881252, 1101565, 1762504, 2203130, 4406260, 8812520]

約数ペア:

[(1, 8812520), (2, 4406260), (4, 2203130), (5, 1762504), (8, 1101565), (10, 881252), (20, 440626), (29, 303880), (40, 220313), (58, 151940), (71, 124120), (107, 82360), (116, 75970), (142, 62060), (145, 60776), (214, 41180), (232, 37985), (284, 31030), (290, 30388), (355, 24824), (428, 20590), (535, 16472), (568, 15515), (580, 15194), (710, 12412), (856, 10295), (1070, 8236), (1160, 7597), (1420, 6206), (2059, 4280), (2140, 4118), (2840, 3103)]