55118440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{105997}}^1$

素因数の和:106021

約数の個数: 32

約数和(自身を含む): 133557480

約数和(自身を除く): 78439040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 105997, 211994, 423988, 529985, 847976, 1059970, 1377961, 2119940, 2755922, 4239880, 5511844, 6889805, 11023688, 13779610, 27559220, 55118440]

約数ペア:

[(1, 55118440), (2, 27559220), (4, 13779610), (5, 11023688), (8, 6889805), (10, 5511844), (13, 4239880), (20, 2755922), (26, 2119940), (40, 1377961), (52, 1059970), (65, 847976), (104, 529985), (130, 423988), (260, 211994), (520, 105997)]