25523080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:155

約数の個数: 128

約数和(自身を含む): 68428800

約数和(自身を除く): 42905720

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 43, 44, 55, 71, 76, 86, 88, 95, 110, 142, 152, 172, 190, 209, 215, 220, 284, 344, 355, 380, 418, 430, 440, 473, 568, 710, 760, 781, 817, 836, 860, 946, 1045, 1349, 1420, 1562, 1634, 1672, 1720, 1892, 2090, 2365, 2698, 2840, 3053, 3124, 3268, 3784, 3905, 4085, 4180, 4730, 5396, 6106, 6248, 6536, 6745, 7810, 8170, 8360, 8987, 9460, 10792, 12212, 13490, 14839, 15265, 15620, 16340, 17974, 18920, 24424, 26980, 29678, 30530, 31240, 32680, 33583, 35948, 44935, 53960, 58007, 59356, 61060, 67166, 71896, 74195, 89870, 116014, 118712, 122120, 134332, 148390, 167915, 179740, 232028, 268664, 290035, 296780, 335830, 359480, 464056, 580070, 593560, 638077, 671660, 1160140, 1276154, 1343320, 2320280, 2552308, 3190385, 5104616, 6380770, 12761540, 25523080]

約数ペア:

[(1, 25523080), (2, 12761540), (4, 6380770), (5, 5104616), (8, 3190385), (10, 2552308), (11, 2320280), (19, 1343320), (20, 1276154), (22, 1160140), (38, 671660), (40, 638077), (43, 593560), (44, 580070), (55, 464056), (71, 359480), (76, 335830), (86, 296780), (88, 290035), (95, 268664), (110, 232028), (142, 179740), (152, 167915), (172, 148390), (190, 134332), (209, 122120), (215, 118712), (220, 116014), (284, 89870), (344, 74195), (355, 71896), (380, 67166), (418, 61060), (430, 59356), (440, 58007), (473, 53960), (568, 44935), (710, 35948), (760, 33583), (781, 32680), (817, 31240), (836, 30530), (860, 29678), (946, 26980), (1045, 24424), (1349, 18920), (1420, 17974), (1562, 16340), (1634, 15620), (1672, 15265), (1720, 14839), (1892, 13490), (2090, 12212), (2365, 10792), (2698, 9460), (2840, 8987), (3053, 8360), (3124, 8170), (3268, 7810), (3784, 6745), (3905, 6536), (4085, 6248), (4180, 6106), (4730, 5396)]