13865120

素因数分解:

$2^5\times 5^1\times {\mathrm{193}}^1\times {\mathrm{449}}^1$

素因数の和:657

約数の個数: 48

約数和(自身を含む): 32999400

約数和(自身を除く): 19134280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 193, 386, 449, 772, 898, 965, 1544, 1796, 1930, 2245, 3088, 3592, 3860, 4490, 6176, 7184, 7720, 8980, 14368, 15440, 17960, 30880, 35920, 71840, 86657, 173314, 346628, 433285, 693256, 866570, 1386512, 1733140, 2773024, 3466280, 6932560, 13865120]

約数ペア:

[(1, 13865120), (2, 6932560), (4, 3466280), (5, 2773024), (8, 1733140), (10, 1386512), (16, 866570), (20, 693256), (32, 433285), (40, 346628), (80, 173314), (160, 86657), (193, 71840), (386, 35920), (449, 30880), (772, 17960), (898, 15440), (965, 14368), (1544, 8980), (1796, 7720), (1930, 7184), (2245, 6176), (3088, 4490), (3592, 3860)]