13778440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26497}}^1$

素因数の和:26521

約数の個数: 32

約数和(自身を含む): 33387480

約数和(自身を除く): 19609040

約数列:

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

約数ペア:

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