12873850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:375

約数の個数: 48

約数和(自身を含む): 26516160

約数和(自身を除く): 13642310

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 89, 110, 178, 263, 275, 445, 526, 550, 890, 979, 1315, 1958, 2225, 2630, 2893, 4450, 4895, 5786, 6575, 9790, 13150, 14465, 23407, 24475, 28930, 46814, 48950, 72325, 117035, 144650, 234070, 257477, 514954, 585175, 1170350, 1287385, 2574770, 6436925, 12873850]

約数ペア:

[(1, 12873850), (2, 6436925), (5, 2574770), (10, 1287385), (11, 1170350), (22, 585175), (25, 514954), (50, 257477), (55, 234070), (89, 144650), (110, 117035), (178, 72325), (263, 48950), (275, 46814), (445, 28930), (526, 24475), (550, 23407), (890, 14465), (979, 13150), (1315, 9790), (1958, 6575), (2225, 5786), (2630, 4895), (2893, 4450)]