79288880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{8191}}^1$

素因数の和:8226

約数の個数: 60

約数和(自身を含む): 202653696

約数和(自身を除く): 123364816

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 4840, 8191, 9680, 16382, 32764, 40955, 65528, 81910, 90101, 131056, 163820, 180202, 327640, 360404, 450505, 655280, 720808, 901010, 991111, 1441616, 1802020, 1982222, 3604040, 3964444, 4955555, 7208080, 7928888, 9911110, 15857776, 19822220, 39644440, 79288880]

約数ペア:

[(1, 79288880), (2, 39644440), (4, 19822220), (5, 15857776), (8, 9911110), (10, 7928888), (11, 7208080), (16, 4955555), (20, 3964444), (22, 3604040), (40, 1982222), (44, 1802020), (55, 1441616), (80, 991111), (88, 901010), (110, 720808), (121, 655280), (176, 450505), (220, 360404), (242, 327640), (440, 180202), (484, 163820), (605, 131056), (880, 90101), (968, 81910), (1210, 65528), (1936, 40955), (2420, 32764), (4840, 16382), (8191, 9680)]