12538120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{6397}}^1$

素因数の和:6422

約数の個数: 48

約数和(自身を含む): 32821740

約数和(自身を除く): 20283620

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 6397, 12794, 25588, 31985, 44779, 51176, 63970, 89558, 127940, 179116, 223895, 255880, 313453, 358232, 447790, 626906, 895580, 1253812, 1567265, 1791160, 2507624, 3134530, 6269060, 12538120]

約数ペア:

[(1, 12538120), (2, 6269060), (4, 3134530), (5, 2507624), (7, 1791160), (8, 1567265), (10, 1253812), (14, 895580), (20, 626906), (28, 447790), (35, 358232), (40, 313453), (49, 255880), (56, 223895), (70, 179116), (98, 127940), (140, 89558), (196, 63970), (245, 51176), (280, 44779), (392, 31985), (490, 25588), (980, 12794), (1960, 6397)]