22938680

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 53887680

約数和(自身を除く): 30949000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 71, 82, 142, 164, 197, 205, 284, 328, 355, 394, 410, 568, 710, 788, 820, 985, 1420, 1576, 1640, 1970, 2840, 2911, 3940, 5822, 7880, 8077, 11644, 13987, 14555, 16154, 23288, 27974, 29110, 32308, 40385, 55948, 58220, 64616, 69935, 80770, 111896, 116440, 139870, 161540, 279740, 323080, 559480, 573467, 1146934, 2293868, 2867335, 4587736, 5734670, 11469340, 22938680]

約数ペア:

[(1, 22938680), (2, 11469340), (4, 5734670), (5, 4587736), (8, 2867335), (10, 2293868), (20, 1146934), (40, 573467), (41, 559480), (71, 323080), (82, 279740), (142, 161540), (164, 139870), (197, 116440), (205, 111896), (284, 80770), (328, 69935), (355, 64616), (394, 58220), (410, 55948), (568, 40385), (710, 32308), (788, 29110), (820, 27974), (985, 23288), (1420, 16154), (1576, 14555), (1640, 13987), (1970, 11644), (2840, 8077), (2911, 7880), (3940, 5822)]