51690320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{389}}^1$

素因数の和:564

約数の個数: 80

約数和(自身を含む): 132312960

約数和(自身を除く): 80622640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 151, 176, 220, 302, 389, 440, 604, 755, 778, 880, 1208, 1510, 1556, 1661, 1945, 2416, 3020, 3112, 3322, 3890, 4279, 6040, 6224, 6644, 7780, 8305, 8558, 12080, 13288, 15560, 16610, 17116, 21395, 26576, 31120, 33220, 34232, 42790, 58739, 66440, 68464, 85580, 117478, 132880, 171160, 234956, 293695, 342320, 469912, 587390, 646129, 939824, 1174780, 1292258, 2349560, 2584516, 3230645, 4699120, 5169032, 6461290, 10338064, 12922580, 25845160, 51690320]

約数ペア:

[(1, 51690320), (2, 25845160), (4, 12922580), (5, 10338064), (8, 6461290), (10, 5169032), (11, 4699120), (16, 3230645), (20, 2584516), (22, 2349560), (40, 1292258), (44, 1174780), (55, 939824), (80, 646129), (88, 587390), (110, 469912), (151, 342320), (176, 293695), (220, 234956), (302, 171160), (389, 132880), (440, 117478), (604, 85580), (755, 68464), (778, 66440), (880, 58739), (1208, 42790), (1510, 34232), (1556, 33220), (1661, 31120), (1945, 26576), (2416, 21395), (3020, 17116), (3112, 16610), (3322, 15560), (3890, 13288), (4279, 12080), (6040, 8558), (6224, 8305), (6644, 7780)]