10782080

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{991}}^1$

素因数の和:1027

約数の個数: 64

約数和(自身を含む): 27319680

約数和(自身を除く): 16537600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 991, 1088, 1360, 1982, 2176, 2720, 3964, 4955, 5440, 7928, 9910, 10880, 15856, 16847, 19820, 31712, 33694, 39640, 63424, 67388, 79280, 84235, 126848, 134776, 158560, 168470, 269552, 317120, 336940, 539104, 634240, 673880, 1078208, 1347760, 2156416, 2695520, 5391040, 10782080]

約数ペア:

[(1, 10782080), (2, 5391040), (4, 2695520), (5, 2156416), (8, 1347760), (10, 1078208), (16, 673880), (17, 634240), (20, 539104), (32, 336940), (34, 317120), (40, 269552), (64, 168470), (68, 158560), (80, 134776), (85, 126848), (128, 84235), (136, 79280), (160, 67388), (170, 63424), (272, 39640), (320, 33694), (340, 31712), (544, 19820), (640, 16847), (680, 15856), (991, 10880), (1088, 9910), (1360, 7928), (1982, 5440), (2176, 4955), (2720, 3964)]