68856040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{156491}}^1$

素因数の和:156513

約数の個数: 32

約数和(自身を含む): 169011360

約数和(自身を除く): 100155320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 156491, 312982, 625964, 782455, 1251928, 1564910, 1721401, 3129820, 3442802, 6259640, 6885604, 8607005, 13771208, 17214010, 34428020, 68856040]

約数ペア:

[(1, 68856040), (2, 34428020), (4, 17214010), (5, 13771208), (8, 8607005), (10, 6885604), (11, 6259640), (20, 3442802), (22, 3129820), (40, 1721401), (44, 1564910), (55, 1251928), (88, 782455), (110, 625964), (220, 312982), (440, 156491)]