51485440

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:142

約数の個数: 144

約数和(自身を含む): 136130400

約数和(自身を除く): 84644960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 32, 38, 40, 58, 64, 73, 76, 80, 95, 116, 128, 145, 146, 152, 160, 190, 232, 256, 290, 292, 304, 320, 365, 380, 464, 551, 580, 584, 608, 640, 730, 760, 928, 1102, 1160, 1168, 1216, 1280, 1387, 1460, 1520, 1856, 2117, 2204, 2320, 2336, 2432, 2755, 2774, 2920, 3040, 3712, 4234, 4408, 4640, 4672, 4864, 5510, 5548, 5840, 6080, 6935, 7424, 8468, 8816, 9280, 9344, 10585, 11020, 11096, 11680, 12160, 13870, 16936, 17632, 18560, 18688, 21170, 22040, 22192, 23360, 24320, 27740, 33872, 35264, 37120, 40223, 42340, 44080, 44384, 46720, 55480, 67744, 70528, 80446, 84680, 88160, 88768, 93440, 110960, 135488, 141056, 160892, 169360, 176320, 177536, 201115, 221920, 270976, 321784, 338720, 352640, 355072, 402230, 443840, 541952, 643568, 677440, 705280, 804460, 887680, 1287136, 1354880, 1608920, 1775360, 2574272, 2709760, 3217840, 5148544, 6435680, 10297088, 12871360, 25742720, 51485440]

約数ペア:

[(1, 51485440), (2, 25742720), (4, 12871360), (5, 10297088), (8, 6435680), (10, 5148544), (16, 3217840), (19, 2709760), (20, 2574272), (29, 1775360), (32, 1608920), (38, 1354880), (40, 1287136), (58, 887680), (64, 804460), (73, 705280), (76, 677440), (80, 643568), (95, 541952), (116, 443840), (128, 402230), (145, 355072), (146, 352640), (152, 338720), (160, 321784), (190, 270976), (232, 221920), (256, 201115), (290, 177536), (292, 176320), (304, 169360), (320, 160892), (365, 141056), (380, 135488), (464, 110960), (551, 93440), (580, 88768), (584, 88160), (608, 84680), (640, 80446), (730, 70528), (760, 67744), (928, 55480), (1102, 46720), (1160, 44384), (1168, 44080), (1216, 42340), (1280, 40223), (1387, 37120), (1460, 35264), (1520, 33872), (1856, 27740), (2117, 24320), (2204, 23360), (2320, 22192), (2336, 22040), (2432, 21170), (2755, 18688), (2774, 18560), (2920, 17632), (3040, 16936), (3712, 13870), (4234, 12160), (4408, 11680), (4640, 11096), (4672, 11020), (4864, 10585), (5510, 9344), (5548, 9280), (5840, 8816), (6080, 8468), (6935, 7424)]