8865920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{1979}}^1$

素因数の和:2005

約数の個数: 64

約数和(自身を含む): 24235200

約数和(自身を除く): 15369280

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, 1120, 1979, 2240, 3958, 4480, 7916, 9895, 13853, 15832, 19790, 27706, 31664, 39580, 55412, 63328, 69265, 79160, 110824, 126656, 138530, 158320, 221648, 253312, 277060, 316640, 443296, 554120, 633280, 886592, 1108240, 1266560, 1773184, 2216480, 4432960, 8865920]

約数ペア:

[(1, 8865920), (2, 4432960), (4, 2216480), (5, 1773184), (7, 1266560), (8, 1108240), (10, 886592), (14, 633280), (16, 554120), (20, 443296), (28, 316640), (32, 277060), (35, 253312), (40, 221648), (56, 158320), (64, 138530), (70, 126656), (80, 110824), (112, 79160), (128, 69265), (140, 63328), (160, 55412), (224, 39580), (280, 31664), (320, 27706), (448, 19790), (560, 15832), (640, 13853), (896, 9895), (1120, 7916), (1979, 4480), (2240, 3958)]