16878996880

素因数分解:

$2^4\times 5^1\times {\mathrm{1069}}^1\times {\mathrm{197369}}^1$

素因数の和:198451

約数の個数: 40

約数和(自身を含む): 39280577400

約数和(自身を除く): 22401580520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1069, 2138, 4276, 5345, 8552, 10690, 17104, 21380, 42760, 85520, 197369, 394738, 789476, 986845, 1578952, 1973690, 3157904, 3947380, 7894760, 15789520, 210987461, 421974922, 843949844, 1054937305, 1687899688, 2109874610, 3375799376, 4219749220, 8439498440, 16878996880]

約数ペア:

[(1, 16878996880), (2, 8439498440), (4, 4219749220), (5, 3375799376), (8, 2109874610), (10, 1687899688), (16, 1054937305), (20, 843949844), (40, 421974922), (80, 210987461), (1069, 15789520), (2138, 7894760), (4276, 3947380), (5345, 3157904), (8552, 1973690), (10690, 1578952), (17104, 986845), (21380, 789476), (42760, 394738), (85520, 197369)]