66039500

素因数分解:

$2^2\times 5^3\times {\mathrm{269}}^1\times {\mathrm{491}}^1$

素因数の和:779

約数の個数: 48

約数和(自身を含む): 145061280

約数和(自身を除く): 79021780

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 269, 491, 500, 538, 982, 1076, 1345, 1964, 2455, 2690, 4910, 5380, 6725, 9820, 12275, 13450, 24550, 26900, 33625, 49100, 61375, 67250, 122750, 132079, 134500, 245500, 264158, 528316, 660395, 1320790, 2641580, 3301975, 6603950, 13207900, 16509875, 33019750, 66039500]

約数ペア:

[(1, 66039500), (2, 33019750), (4, 16509875), (5, 13207900), (10, 6603950), (20, 3301975), (25, 2641580), (50, 1320790), (100, 660395), (125, 528316), (250, 264158), (269, 245500), (491, 134500), (500, 132079), (538, 122750), (982, 67250), (1076, 61375), (1345, 49100), (1964, 33625), (2455, 26900), (2690, 24550), (4910, 13450), (5380, 12275), (6725, 9820)]