11540440

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1097}}^1$

素因数の和:1371

約数の個数: 32

約数和(自身を含む): 26088480

約数和(自身を除く): 14548040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1097, 1315, 2104, 2194, 2630, 4388, 5260, 5485, 8776, 10520, 10970, 21940, 43880, 288511, 577022, 1154044, 1442555, 2308088, 2885110, 5770220, 11540440]

約数ペア:

[(1, 11540440), (2, 5770220), (4, 2885110), (5, 2308088), (8, 1442555), (10, 1154044), (20, 577022), (40, 288511), (263, 43880), (526, 21940), (1052, 10970), (1097, 10520), (1315, 8776), (2104, 5485), (2194, 5260), (2630, 4388)]