40578560

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^2\times {\mathrm{131}}^1$

素因数の和:176

約数の個数: 120

約数和(自身を含む): 107758728

約数和(自身を除く): 67180168

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 128, 131, 160, 176, 220, 242, 256, 262, 320, 352, 440, 484, 512, 524, 605, 640, 655, 704, 880, 968, 1048, 1210, 1280, 1310, 1408, 1441, 1760, 1936, 2096, 2420, 2560, 2620, 2816, 2882, 3520, 3872, 4192, 4840, 5240, 5632, 5764, 7040, 7205, 7744, 8384, 9680, 10480, 11528, 14080, 14410, 15488, 15851, 16768, 19360, 20960, 23056, 28160, 28820, 30976, 31702, 33536, 38720, 41920, 46112, 57640, 61952, 63404, 67072, 77440, 79255, 83840, 92224, 115280, 126808, 154880, 158510, 167680, 184448, 230560, 253616, 309760, 317020, 335360, 368896, 461120, 507232, 634040, 737792, 922240, 1014464, 1268080, 1844480, 2028928, 2536160, 3688960, 4057856, 5072320, 8115712, 10144640, 20289280, 40578560]

約数ペア:

[(1, 40578560), (2, 20289280), (4, 10144640), (5, 8115712), (8, 5072320), (10, 4057856), (11, 3688960), (16, 2536160), (20, 2028928), (22, 1844480), (32, 1268080), (40, 1014464), (44, 922240), (55, 737792), (64, 634040), (80, 507232), (88, 461120), (110, 368896), (121, 335360), (128, 317020), (131, 309760), (160, 253616), (176, 230560), (220, 184448), (242, 167680), (256, 158510), (262, 154880), (320, 126808), (352, 115280), (440, 92224), (484, 83840), (512, 79255), (524, 77440), (605, 67072), (640, 63404), (655, 61952), (704, 57640), (880, 46112), (968, 41920), (1048, 38720), (1210, 33536), (1280, 31702), (1310, 30976), (1408, 28820), (1441, 28160), (1760, 23056), (1936, 20960), (2096, 19360), (2420, 16768), (2560, 15851), (2620, 15488), (2816, 14410), (2882, 14080), (3520, 11528), (3872, 10480), (4192, 9680), (4840, 8384), (5240, 7744), (5632, 7205), (5764, 7040)]