51864680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9749}}^1$

素因数の和:9786

約数の個数: 64

約数和(自身を含む): 140400000

約数和(自身を除く): 88535320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 9749, 19498, 38996, 48745, 68243, 77992, 97490, 136486, 185231, 194980, 272972, 341215, 370462, 389960, 545944, 682430, 740924, 926155, 1296617, 1364860, 1481848, 1852310, 2593234, 2729720, 3704620, 5186468, 6483085, 7409240, 10372936, 12966170, 25932340, 51864680]

約数ペア:

[(1, 51864680), (2, 25932340), (4, 12966170), (5, 10372936), (7, 7409240), (8, 6483085), (10, 5186468), (14, 3704620), (19, 2729720), (20, 2593234), (28, 1852310), (35, 1481848), (38, 1364860), (40, 1296617), (56, 926155), (70, 740924), (76, 682430), (95, 545944), (133, 389960), (140, 370462), (152, 341215), (190, 272972), (266, 194980), (280, 185231), (380, 136486), (532, 97490), (665, 77992), (760, 68243), (1064, 48745), (1330, 38996), (2660, 19498), (5320, 9749)]