66539300

素因数分解:

$2^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{4787}}^1$

素因数の和:4940

約数の個数: 36

約数和(自身を含む): 145459440

約数和(自身を除く): 78920140

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 139, 278, 556, 695, 1390, 2780, 3475, 4787, 6950, 9574, 13900, 19148, 23935, 47870, 95740, 119675, 239350, 478700, 665393, 1330786, 2661572, 3326965, 6653930, 13307860, 16634825, 33269650, 66539300]

約数ペア:

[(1, 66539300), (2, 33269650), (4, 16634825), (5, 13307860), (10, 6653930), (20, 3326965), (25, 2661572), (50, 1330786), (100, 665393), (139, 478700), (278, 239350), (556, 119675), (695, 95740), (1390, 47870), (2780, 23935), (3475, 19148), (4787, 13900), (6950, 9574)]