13207900

素因数分解:

$2^2\times 5^2\times {\mathrm{269}}^1\times {\mathrm{491}}^1$

素因数の和:774

約数の個数: 36

約数和(自身を含む): 28826280

約数和(自身を除く): 15618380

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 269, 491, 538, 982, 1076, 1345, 1964, 2455, 2690, 4910, 5380, 6725, 9820, 12275, 13450, 24550, 26900, 49100, 132079, 264158, 528316, 660395, 1320790, 2641580, 3301975, 6603950, 13207900]

約数ペア:

[(1, 13207900), (2, 6603950), (4, 3301975), (5, 2641580), (10, 1320790), (20, 660395), (25, 528316), (50, 264158), (100, 132079), (269, 49100), (491, 26900), (538, 24550), (982, 13450), (1076, 12275), (1345, 9820), (1964, 6725), (2455, 5380), (2690, 4910)]