28331840

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:160

約数の個数: 112

約数和(自身を含む): 72420480

約数和(自身を除く): 44088640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 43, 58, 64, 71, 80, 86, 116, 142, 145, 160, 172, 215, 232, 284, 290, 320, 344, 355, 430, 464, 568, 580, 688, 710, 860, 928, 1136, 1160, 1247, 1376, 1420, 1720, 1856, 2059, 2272, 2320, 2494, 2752, 2840, 3053, 3440, 4118, 4544, 4640, 4988, 5680, 6106, 6235, 6880, 8236, 9280, 9976, 10295, 11360, 12212, 12470, 13760, 15265, 16472, 19952, 20590, 22720, 24424, 24940, 30530, 32944, 39904, 41180, 48848, 49880, 61060, 65888, 79808, 82360, 88537, 97696, 99760, 122120, 131776, 164720, 177074, 195392, 199520, 244240, 329440, 354148, 399040, 442685, 488480, 658880, 708296, 885370, 976960, 1416592, 1770740, 2833184, 3541480, 5666368, 7082960, 14165920, 28331840]

約数ペア:

[(1, 28331840), (2, 14165920), (4, 7082960), (5, 5666368), (8, 3541480), (10, 2833184), (16, 1770740), (20, 1416592), (29, 976960), (32, 885370), (40, 708296), (43, 658880), (58, 488480), (64, 442685), (71, 399040), (80, 354148), (86, 329440), (116, 244240), (142, 199520), (145, 195392), (160, 177074), (172, 164720), (215, 131776), (232, 122120), (284, 99760), (290, 97696), (320, 88537), (344, 82360), (355, 79808), (430, 65888), (464, 61060), (568, 49880), (580, 48848), (688, 41180), (710, 39904), (860, 32944), (928, 30530), (1136, 24940), (1160, 24424), (1247, 22720), (1376, 20590), (1420, 19952), (1720, 16472), (1856, 15265), (2059, 13760), (2272, 12470), (2320, 12212), (2494, 11360), (2752, 10295), (2840, 9976), (3053, 9280), (3440, 8236), (4118, 6880), (4544, 6235), (4640, 6106), (4988, 5680)]