27556880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26497}}^1$

素因数の和:26523

約数の個数: 40

約数和(自身を含む): 69000792

約数和(自身を除く): 41443912

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 26497, 52994, 105988, 132485, 211976, 264970, 344461, 423952, 529940, 688922, 1059880, 1377844, 1722305, 2119760, 2755688, 3444610, 5511376, 6889220, 13778440, 27556880]

約数ペア:

[(1, 27556880), (2, 13778440), (4, 6889220), (5, 5511376), (8, 3444610), (10, 2755688), (13, 2119760), (16, 1722305), (20, 1377844), (26, 1059880), (40, 688922), (52, 529940), (65, 423952), (80, 344461), (104, 264970), (130, 211976), (208, 132485), (260, 105988), (520, 52994), (1040, 26497)]