39487280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{659}}^1$

素因数の和:786

約数の個数: 80

約数和(自身を含む): 106064640

約数和(自身を除く): 66577360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 107, 112, 140, 214, 280, 428, 535, 560, 659, 749, 856, 1070, 1318, 1498, 1712, 2140, 2636, 2996, 3295, 3745, 4280, 4613, 5272, 5992, 6590, 7490, 8560, 9226, 10544, 11984, 13180, 14980, 18452, 23065, 26360, 29960, 36904, 46130, 52720, 59920, 70513, 73808, 92260, 141026, 184520, 282052, 352565, 369040, 493591, 564104, 705130, 987182, 1128208, 1410260, 1974364, 2467955, 2820520, 3948728, 4935910, 5641040, 7897456, 9871820, 19743640, 39487280]

約数ペア:

[(1, 39487280), (2, 19743640), (4, 9871820), (5, 7897456), (7, 5641040), (8, 4935910), (10, 3948728), (14, 2820520), (16, 2467955), (20, 1974364), (28, 1410260), (35, 1128208), (40, 987182), (56, 705130), (70, 564104), (80, 493591), (107, 369040), (112, 352565), (140, 282052), (214, 184520), (280, 141026), (428, 92260), (535, 73808), (560, 70513), (659, 59920), (749, 52720), (856, 46130), (1070, 36904), (1318, 29960), (1498, 26360), (1712, 23065), (2140, 18452), (2636, 14980), (2996, 13180), (3295, 11984), (3745, 10544), (4280, 9226), (4613, 8560), (5272, 7490), (5992, 6590)]