25296040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:263

約数の個数: 128

約数和(自身を含む): 72990720

約数和(自身を除く): 47694680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 43, 44, 55, 56, 70, 77, 86, 88, 110, 140, 154, 172, 191, 215, 220, 280, 301, 308, 344, 382, 385, 430, 440, 473, 602, 616, 764, 770, 860, 946, 955, 1204, 1337, 1505, 1528, 1540, 1720, 1892, 1910, 2101, 2365, 2408, 2674, 3010, 3080, 3311, 3784, 3820, 4202, 4730, 5348, 6020, 6622, 6685, 7640, 8213, 8404, 9460, 10505, 10696, 12040, 13244, 13370, 14707, 16426, 16555, 16808, 18920, 21010, 26488, 26740, 29414, 32852, 33110, 41065, 42020, 53480, 57491, 58828, 65704, 66220, 73535, 82130, 84040, 90343, 114982, 117656, 132440, 147070, 164260, 180686, 229964, 287455, 294140, 328520, 361372, 451715, 459928, 574910, 588280, 632401, 722744, 903430, 1149820, 1264802, 1806860, 2299640, 2529604, 3162005, 3613720, 5059208, 6324010, 12648020, 25296040]

約数ペア:

[(1, 25296040), (2, 12648020), (4, 6324010), (5, 5059208), (7, 3613720), (8, 3162005), (10, 2529604), (11, 2299640), (14, 1806860), (20, 1264802), (22, 1149820), (28, 903430), (35, 722744), (40, 632401), (43, 588280), (44, 574910), (55, 459928), (56, 451715), (70, 361372), (77, 328520), (86, 294140), (88, 287455), (110, 229964), (140, 180686), (154, 164260), (172, 147070), (191, 132440), (215, 117656), (220, 114982), (280, 90343), (301, 84040), (308, 82130), (344, 73535), (382, 66220), (385, 65704), (430, 58828), (440, 57491), (473, 53480), (602, 42020), (616, 41065), (764, 33110), (770, 32852), (860, 29414), (946, 26740), (955, 26488), (1204, 21010), (1337, 18920), (1505, 16808), (1528, 16555), (1540, 16426), (1720, 14707), (1892, 13370), (1910, 13244), (2101, 12040), (2365, 10696), (2408, 10505), (2674, 9460), (3010, 8404), (3080, 8213), (3311, 7640), (3784, 6685), (3820, 6622), (4202, 6020), (4730, 5348)]