56340560

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:336

約数の個数: 80

約数和(自身を含む): 136397520

約数和(自身を除く): 80056960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 89, 164, 178, 193, 205, 328, 356, 386, 410, 445, 656, 712, 772, 820, 890, 965, 1424, 1544, 1640, 1780, 1930, 3088, 3280, 3560, 3649, 3860, 7120, 7298, 7720, 7913, 14596, 15440, 15826, 17177, 18245, 29192, 31652, 34354, 36490, 39565, 58384, 63304, 68708, 72980, 79130, 85885, 126608, 137416, 145960, 158260, 171770, 274832, 291920, 316520, 343540, 633040, 687080, 704257, 1374160, 1408514, 2817028, 3521285, 5634056, 7042570, 11268112, 14085140, 28170280, 56340560]

約数ペア:

[(1, 56340560), (2, 28170280), (4, 14085140), (5, 11268112), (8, 7042570), (10, 5634056), (16, 3521285), (20, 2817028), (40, 1408514), (41, 1374160), (80, 704257), (82, 687080), (89, 633040), (164, 343540), (178, 316520), (193, 291920), (205, 274832), (328, 171770), (356, 158260), (386, 145960), (410, 137416), (445, 126608), (656, 85885), (712, 79130), (772, 72980), (820, 68708), (890, 63304), (965, 58384), (1424, 39565), (1544, 36490), (1640, 34354), (1780, 31652), (1930, 29192), (3088, 18245), (3280, 17177), (3560, 15826), (3649, 15440), (3860, 14596), (7120, 7913), (7298, 7720)]