40557440

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{823}}^1$

素因数の和:860

約数の個数: 128

約数和(自身を含む): 121029120

約数和(自身を除く): 80471680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 440, 448, 560, 616, 640, 704, 770, 823, 880, 896, 1120, 1232, 1408, 1540, 1646, 1760, 2240, 2464, 3080, 3292, 3520, 4115, 4480, 4928, 5761, 6160, 6584, 7040, 8230, 9053, 9856, 11522, 12320, 13168, 16460, 18106, 23044, 24640, 26336, 28805, 32920, 36212, 45265, 46088, 49280, 52672, 57610, 63371, 65840, 72424, 90530, 92176, 105344, 115220, 126742, 131680, 144848, 181060, 184352, 230440, 253484, 263360, 289696, 316855, 362120, 368704, 460880, 506968, 526720, 579392, 633710, 724240, 737408, 921760, 1013936, 1158784, 1267420, 1448480, 1843520, 2027872, 2534840, 2896960, 3687040, 4055744, 5069680, 5793920, 8111488, 10139360, 20278720, 40557440]

約数ペア:

[(1, 40557440), (2, 20278720), (4, 10139360), (5, 8111488), (7, 5793920), (8, 5069680), (10, 4055744), (11, 3687040), (14, 2896960), (16, 2534840), (20, 2027872), (22, 1843520), (28, 1448480), (32, 1267420), (35, 1158784), (40, 1013936), (44, 921760), (55, 737408), (56, 724240), (64, 633710), (70, 579392), (77, 526720), (80, 506968), (88, 460880), (110, 368704), (112, 362120), (128, 316855), (140, 289696), (154, 263360), (160, 253484), (176, 230440), (220, 184352), (224, 181060), (280, 144848), (308, 131680), (320, 126742), (352, 115220), (385, 105344), (440, 92176), (448, 90530), (560, 72424), (616, 65840), (640, 63371), (704, 57610), (770, 52672), (823, 49280), (880, 46088), (896, 45265), (1120, 36212), (1232, 32920), (1408, 28805), (1540, 26336), (1646, 24640), (1760, 23044), (2240, 18106), (2464, 16460), (3080, 13168), (3292, 12320), (3520, 11522), (4115, 9856), (4480, 9053), (4928, 8230), (5761, 7040), (6160, 6584)]