15291225820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5419}}^1\times {\mathrm{10853}}^1$

素因数の和:16294

約数の個数: 48

約数和(自身を含む): 34591263840

約数和(自身を除く): 19300038020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 5419, 10838, 10853, 21676, 21706, 27095, 43412, 54190, 54265, 70447, 108380, 108530, 140894, 141089, 217060, 281788, 282178, 352235, 564356, 704470, 705445, 1408940, 1410890, 2821780, 58812407, 117624814, 235249628, 294062035, 588124070, 764561291, 1176248140, 1529122582, 3058245164, 3822806455, 7645612910, 15291225820]

約数ペア:

[(1, 15291225820), (2, 7645612910), (4, 3822806455), (5, 3058245164), (10, 1529122582), (13, 1176248140), (20, 764561291), (26, 588124070), (52, 294062035), (65, 235249628), (130, 117624814), (260, 58812407), (5419, 2821780), (10838, 1410890), (10853, 1408940), (21676, 705445), (21706, 704470), (27095, 564356), (43412, 352235), (54190, 282178), (54265, 281788), (70447, 217060), (108380, 141089), (108530, 140894)]