39740960

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:203

約数の個数: 144

約数和(自身を含む): 112987224

約数和(自身を除く): 73246264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 49, 56, 70, 74, 80, 98, 112, 137, 140, 148, 160, 185, 196, 224, 245, 259, 274, 280, 296, 370, 392, 490, 518, 548, 560, 592, 685, 740, 784, 959, 980, 1036, 1096, 1120, 1184, 1295, 1370, 1480, 1568, 1813, 1918, 1960, 2072, 2192, 2590, 2740, 2960, 3626, 3836, 3920, 4144, 4384, 4795, 5069, 5180, 5480, 5920, 6713, 7252, 7672, 7840, 8288, 9065, 9590, 10138, 10360, 10960, 13426, 14504, 15344, 18130, 19180, 20276, 20720, 21920, 25345, 26852, 29008, 30688, 33565, 35483, 36260, 38360, 40552, 41440, 50690, 53704, 58016, 67130, 70966, 72520, 76720, 81104, 101380, 107408, 134260, 141932, 145040, 153440, 162208, 177415, 202760, 214816, 248381, 268520, 283864, 290080, 354830, 405520, 496762, 537040, 567728, 709660, 811040, 993524, 1074080, 1135456, 1241905, 1419320, 1987048, 2483810, 2838640, 3974096, 4967620, 5677280, 7948192, 9935240, 19870480, 39740960]

約数ペア:

[(1, 39740960), (2, 19870480), (4, 9935240), (5, 7948192), (7, 5677280), (8, 4967620), (10, 3974096), (14, 2838640), (16, 2483810), (20, 1987048), (28, 1419320), (32, 1241905), (35, 1135456), (37, 1074080), (40, 993524), (49, 811040), (56, 709660), (70, 567728), (74, 537040), (80, 496762), (98, 405520), (112, 354830), (137, 290080), (140, 283864), (148, 268520), (160, 248381), (185, 214816), (196, 202760), (224, 177415), (245, 162208), (259, 153440), (274, 145040), (280, 141932), (296, 134260), (370, 107408), (392, 101380), (490, 81104), (518, 76720), (548, 72520), (560, 70966), (592, 67130), (685, 58016), (740, 53704), (784, 50690), (959, 41440), (980, 40552), (1036, 38360), (1096, 36260), (1120, 35483), (1184, 33565), (1295, 30688), (1370, 29008), (1480, 26852), (1568, 25345), (1813, 21920), (1918, 20720), (1960, 20276), (2072, 19180), (2192, 18130), (2590, 15344), (2740, 14504), (2960, 13426), (3626, 10960), (3836, 10360), (3920, 10138), (4144, 9590), (4384, 9065), (4795, 8288), (5069, 7840), (5180, 7672), (5480, 7252), (5920, 6713)]