72385820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{14653}}^1$

素因数の和:14694

約数の個数: 48

約数和(自身を含む): 172331040

約数和(自身を除く): 99945220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 14653, 29306, 58612, 73265, 146530, 190489, 278407, 293060, 380978, 556814, 761956, 952445, 1113628, 1392035, 1904890, 2784070, 3619291, 3809780, 5568140, 7238582, 14477164, 18096455, 36192910, 72385820]

約数ペア:

[(1, 72385820), (2, 36192910), (4, 18096455), (5, 14477164), (10, 7238582), (13, 5568140), (19, 3809780), (20, 3619291), (26, 2784070), (38, 1904890), (52, 1392035), (65, 1113628), (76, 952445), (95, 761956), (130, 556814), (190, 380978), (247, 293060), (260, 278407), (380, 190489), (494, 146530), (988, 73265), (1235, 58612), (2470, 29306), (4940, 14653)]