13127860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{193}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 29332800

約数和(自身を除く): 16204940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 179, 190, 193, 358, 380, 386, 716, 772, 895, 965, 1790, 1930, 3401, 3580, 3667, 3860, 6802, 7334, 13604, 14668, 17005, 18335, 34010, 34547, 36670, 68020, 69094, 73340, 138188, 172735, 345470, 656393, 690940, 1312786, 2625572, 3281965, 6563930, 13127860]

約数ペア:

[(1, 13127860), (2, 6563930), (4, 3281965), (5, 2625572), (10, 1312786), (19, 690940), (20, 656393), (38, 345470), (76, 172735), (95, 138188), (179, 73340), (190, 69094), (193, 68020), (358, 36670), (380, 34547), (386, 34010), (716, 18335), (772, 17005), (895, 14668), (965, 13604), (1790, 7334), (1930, 6802), (3401, 3860), (3580, 3667)]