42261560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{691}}^1$

素因数の和:852

約数の個数: 64

約数和(自身を含む): 104630400

約数和(自身を除く): 62368840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 139, 220, 278, 440, 556, 691, 695, 1112, 1382, 1390, 1529, 2764, 2780, 3058, 3455, 5528, 5560, 6116, 6910, 7601, 7645, 12232, 13820, 15202, 15290, 27640, 30404, 30580, 38005, 60808, 61160, 76010, 96049, 152020, 192098, 304040, 384196, 480245, 768392, 960490, 1056539, 1920980, 2113078, 3841960, 4226156, 5282695, 8452312, 10565390, 21130780, 42261560]

約数ペア:

[(1, 42261560), (2, 21130780), (4, 10565390), (5, 8452312), (8, 5282695), (10, 4226156), (11, 3841960), (20, 2113078), (22, 1920980), (40, 1056539), (44, 960490), (55, 768392), (88, 480245), (110, 384196), (139, 304040), (220, 192098), (278, 152020), (440, 96049), (556, 76010), (691, 61160), (695, 60808), (1112, 38005), (1382, 30580), (1390, 30404), (1529, 27640), (2764, 15290), (2780, 15202), (3058, 13820), (3455, 12232), (5528, 7645), (5560, 7601), (6116, 6910)]