16401140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{607}}^1$

素因数の和:816

約数の個数: 48

約数和(自身を含む): 39631872

約数和(自身を除く): 23230732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 193, 386, 607, 772, 965, 1214, 1351, 1930, 2428, 2702, 3035, 3860, 4249, 5404, 6070, 6755, 8498, 12140, 13510, 16996, 21245, 27020, 42490, 84980, 117151, 234302, 468604, 585755, 820057, 1171510, 1640114, 2343020, 3280228, 4100285, 8200570, 16401140]

約数ペア:

[(1, 16401140), (2, 8200570), (4, 4100285), (5, 3280228), (7, 2343020), (10, 1640114), (14, 1171510), (20, 820057), (28, 585755), (35, 468604), (70, 234302), (140, 117151), (193, 84980), (386, 42490), (607, 27020), (772, 21245), (965, 16996), (1214, 13510), (1351, 12140), (1930, 8498), (2428, 6755), (2702, 6070), (3035, 5404), (3860, 4249)]