40577920

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:156

約数の個数: 128

約数和(自身を含む): 105753600

約数和(自身を除く): 65175680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 47, 64, 71, 76, 80, 94, 95, 128, 142, 152, 160, 188, 190, 235, 284, 304, 320, 355, 376, 380, 470, 568, 608, 640, 710, 752, 760, 893, 940, 1136, 1216, 1349, 1420, 1504, 1520, 1786, 1880, 2272, 2432, 2698, 2840, 3008, 3040, 3337, 3572, 3760, 4465, 4544, 5396, 5680, 6016, 6080, 6674, 6745, 7144, 7520, 8930, 9088, 10792, 11360, 12160, 13348, 13490, 14288, 15040, 16685, 17860, 21584, 22720, 26696, 26980, 28576, 30080, 33370, 35720, 43168, 45440, 53392, 53960, 57152, 63403, 66740, 71440, 86336, 106784, 107920, 114304, 126806, 133480, 142880, 172672, 213568, 215840, 253612, 266960, 285760, 317015, 427136, 431680, 507224, 533920, 571520, 634030, 863360, 1014448, 1067840, 1268060, 2028896, 2135680, 2536120, 4057792, 5072240, 8115584, 10144480, 20288960, 40577920]

約数ペア:

[(1, 40577920), (2, 20288960), (4, 10144480), (5, 8115584), (8, 5072240), (10, 4057792), (16, 2536120), (19, 2135680), (20, 2028896), (32, 1268060), (38, 1067840), (40, 1014448), (47, 863360), (64, 634030), (71, 571520), (76, 533920), (80, 507224), (94, 431680), (95, 427136), (128, 317015), (142, 285760), (152, 266960), (160, 253612), (188, 215840), (190, 213568), (235, 172672), (284, 142880), (304, 133480), (320, 126806), (355, 114304), (376, 107920), (380, 106784), (470, 86336), (568, 71440), (608, 66740), (640, 63403), (710, 57152), (752, 53960), (760, 53392), (893, 45440), (940, 43168), (1136, 35720), (1216, 33370), (1349, 30080), (1420, 28576), (1504, 26980), (1520, 26696), (1786, 22720), (1880, 21584), (2272, 17860), (2432, 16685), (2698, 15040), (2840, 14288), (3008, 13490), (3040, 13348), (3337, 12160), (3572, 11360), (3760, 10792), (4465, 9088), (4544, 8930), (5396, 7520), (5680, 7144), (6016, 6745), (6080, 6674)]