13791580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:211

約数の個数: 72

約数和(自身を含む): 32845680

約数和(自身を除く): 19054100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 121, 139, 164, 205, 220, 242, 278, 410, 451, 484, 556, 605, 695, 820, 902, 1210, 1390, 1529, 1804, 2255, 2420, 2780, 3058, 4510, 4961, 5699, 6116, 7645, 9020, 9922, 11398, 15290, 16819, 19844, 22796, 24805, 28495, 30580, 33638, 49610, 56990, 62689, 67276, 84095, 99220, 113980, 125378, 168190, 250756, 313445, 336380, 626890, 689579, 1253780, 1379158, 2758316, 3447895, 6895790, 13791580]

約数ペア:

[(1, 13791580), (2, 6895790), (4, 3447895), (5, 2758316), (10, 1379158), (11, 1253780), (20, 689579), (22, 626890), (41, 336380), (44, 313445), (55, 250756), (82, 168190), (110, 125378), (121, 113980), (139, 99220), (164, 84095), (205, 67276), (220, 62689), (242, 56990), (278, 49610), (410, 33638), (451, 30580), (484, 28495), (556, 24805), (605, 22796), (695, 19844), (820, 16819), (902, 15290), (1210, 11398), (1390, 9922), (1529, 9020), (1804, 7645), (2255, 6116), (2420, 5699), (2780, 4961), (3058, 4510)]