123571760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{118819}}^1$

素因数の和:118845

約数の個数: 40

約数和(自身を含む): 309407280

約数和(自身を除く): 185835520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 118819, 237638, 475276, 594095, 950552, 1188190, 1544647, 1901104, 2376380, 3089294, 4752760, 6178588, 7723235, 9505520, 12357176, 15446470, 24714352, 30892940, 61785880, 123571760]

約数ペア:

[(1, 123571760), (2, 61785880), (4, 30892940), (5, 24714352), (8, 15446470), (10, 12357176), (13, 9505520), (16, 7723235), (20, 6178588), (26, 4752760), (40, 3089294), (52, 2376380), (65, 1901104), (80, 1544647), (104, 1188190), (130, 950552), (208, 594095), (260, 475276), (520, 237638), (1040, 118819)]