51984400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^2\times {\mathrm{769}}^1$

素因数の和:813

約数の個数: 90

約数和(自身を含む): 135414510

約数和(自身を除く): 83430110

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 169, 200, 208, 260, 325, 338, 400, 520, 650, 676, 769, 845, 1040, 1300, 1352, 1538, 1690, 2600, 2704, 3076, 3380, 3845, 4225, 5200, 6152, 6760, 7690, 8450, 9997, 12304, 13520, 15380, 16900, 19225, 19994, 30760, 33800, 38450, 39988, 49985, 61520, 67600, 76900, 79976, 99970, 129961, 153800, 159952, 199940, 249925, 259922, 307600, 399880, 499850, 519844, 649805, 799760, 999700, 1039688, 1299610, 1999400, 2079376, 2599220, 3249025, 3998800, 5198440, 6498050, 10396880, 12996100, 25992200, 51984400]

約数ペア:

[(1, 51984400), (2, 25992200), (4, 12996100), (5, 10396880), (8, 6498050), (10, 5198440), (13, 3998800), (16, 3249025), (20, 2599220), (25, 2079376), (26, 1999400), (40, 1299610), (50, 1039688), (52, 999700), (65, 799760), (80, 649805), (100, 519844), (104, 499850), (130, 399880), (169, 307600), (200, 259922), (208, 249925), (260, 199940), (325, 159952), (338, 153800), (400, 129961), (520, 99970), (650, 79976), (676, 76900), (769, 67600), (845, 61520), (1040, 49985), (1300, 39988), (1352, 38450), (1538, 33800), (1690, 30760), (2600, 19994), (2704, 19225), (3076, 16900), (3380, 15380), (3845, 13520), (4225, 12304), (5200, 9997), (6152, 8450), (6760, 7690)]