51575920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:143

約数の個数: 160

約数和(自身を含む): 141419520

約数和(自身を除く): 89843600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 43, 44, 47, 55, 58, 80, 86, 88, 94, 110, 116, 145, 172, 176, 188, 215, 220, 232, 235, 290, 319, 344, 376, 430, 440, 464, 470, 473, 517, 580, 638, 688, 752, 860, 880, 940, 946, 1034, 1160, 1247, 1276, 1363, 1595, 1720, 1880, 1892, 2021, 2068, 2320, 2365, 2494, 2552, 2585, 2726, 3190, 3440, 3760, 3784, 4042, 4136, 4730, 4988, 5104, 5170, 5452, 6235, 6380, 6815, 7568, 8084, 8272, 9460, 9976, 10105, 10340, 10904, 12470, 12760, 13630, 13717, 14993, 16168, 18920, 19952, 20210, 20680, 21808, 22231, 24940, 25520, 27260, 27434, 29986, 32336, 37840, 40420, 41360, 44462, 49880, 54520, 54868, 58609, 59972, 68585, 74965, 80840, 88924, 99760, 109040, 109736, 111155, 117218, 119944, 137170, 149930, 161680, 177848, 219472, 222310, 234436, 239888, 274340, 293045, 299860, 355696, 444620, 468872, 548680, 586090, 599720, 644699, 889240, 937744, 1097360, 1172180, 1199440, 1289398, 1778480, 2344360, 2578796, 3223495, 4688720, 5157592, 6446990, 10315184, 12893980, 25787960, 51575920]

約数ペア:

[(1, 51575920), (2, 25787960), (4, 12893980), (5, 10315184), (8, 6446990), (10, 5157592), (11, 4688720), (16, 3223495), (20, 2578796), (22, 2344360), (29, 1778480), (40, 1289398), (43, 1199440), (44, 1172180), (47, 1097360), (55, 937744), (58, 889240), (80, 644699), (86, 599720), (88, 586090), (94, 548680), (110, 468872), (116, 444620), (145, 355696), (172, 299860), (176, 293045), (188, 274340), (215, 239888), (220, 234436), (232, 222310), (235, 219472), (290, 177848), (319, 161680), (344, 149930), (376, 137170), (430, 119944), (440, 117218), (464, 111155), (470, 109736), (473, 109040), (517, 99760), (580, 88924), (638, 80840), (688, 74965), (752, 68585), (860, 59972), (880, 58609), (940, 54868), (946, 54520), (1034, 49880), (1160, 44462), (1247, 41360), (1276, 40420), (1363, 37840), (1595, 32336), (1720, 29986), (1880, 27434), (1892, 27260), (2021, 25520), (2068, 24940), (2320, 22231), (2365, 21808), (2494, 20680), (2552, 20210), (2585, 19952), (2726, 18920), (3190, 16168), (3440, 14993), (3760, 13717), (3784, 13630), (4042, 12760), (4136, 12470), (4730, 10904), (4988, 10340), (5104, 10105), (5170, 9976), (5452, 9460), (6235, 8272), (6380, 8084), (6815, 7568)]