126876880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{121997}}^1$

素因数の和:122023

約数の個数: 40

約数和(自身を含む): 317682792

約数和(自身を除く): 190805912

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 121997, 243994, 487988, 609985, 975976, 1219970, 1585961, 1951952, 2439940, 3171922, 4879880, 6343844, 7929805, 9759760, 12687688, 15859610, 25375376, 31719220, 63438440, 126876880]

約数ペア:

[(1, 126876880), (2, 63438440), (4, 31719220), (5, 25375376), (8, 15859610), (10, 12687688), (13, 9759760), (16, 7929805), (20, 6343844), (26, 4879880), (40, 3171922), (52, 2439940), (65, 1951952), (80, 1585961), (104, 1219970), (130, 975976), (208, 609985), (260, 487988), (520, 243994), (1040, 121997)]