71652680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{162847}}^1$

素因数の和:162869

約数の個数: 32

約数和(自身を含む): 175875840

約数和(自身を除く): 104223160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 162847, 325694, 651388, 814235, 1302776, 1628470, 1791317, 3256940, 3582634, 6513880, 7165268, 8956585, 14330536, 17913170, 35826340, 71652680]

約数ペア:

[(1, 71652680), (2, 35826340), (4, 17913170), (5, 14330536), (8, 8956585), (10, 7165268), (11, 6513880), (20, 3582634), (22, 3256940), (40, 1791317), (44, 1628470), (55, 1302776), (88, 814235), (110, 651388), (220, 325694), (440, 162847)]