25742720

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:140

約数の個数: 128

約数和(自身を含む): 67932000

約数和(自身を除く): 42189280

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, 290, 292, 304, 320, 365, 380, 464, 551, 580, 584, 608, 640, 730, 760, 928, 1102, 1160, 1168, 1216, 1387, 1460, 1520, 1856, 2117, 2204, 2320, 2336, 2432, 2755, 2774, 2920, 3040, 3712, 4234, 4408, 4640, 4672, 5510, 5548, 5840, 6080, 6935, 8468, 8816, 9280, 9344, 10585, 11020, 11096, 11680, 12160, 13870, 16936, 17632, 18560, 21170, 22040, 22192, 23360, 27740, 33872, 35264, 40223, 42340, 44080, 44384, 46720, 55480, 67744, 70528, 80446, 84680, 88160, 88768, 110960, 135488, 160892, 169360, 176320, 177536, 201115, 221920, 270976, 321784, 338720, 352640, 402230, 443840, 643568, 677440, 804460, 887680, 1287136, 1354880, 1608920, 2574272, 3217840, 5148544, 6435680, 12871360, 25742720]

約数ペア:

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