28145960

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{3931}}^1$

素因数の和:4121

約数の個数: 32

約数和(自身を含む): 63698400

約数和(自身を除く): 35552440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 358, 716, 895, 1432, 1790, 3580, 3931, 7160, 7862, 15724, 19655, 31448, 39310, 78620, 157240, 703649, 1407298, 2814596, 3518245, 5629192, 7036490, 14072980, 28145960]

約数ペア:

[(1, 28145960), (2, 14072980), (4, 7036490), (5, 5629192), (8, 3518245), (10, 2814596), (20, 1407298), (40, 703649), (179, 157240), (358, 78620), (716, 39310), (895, 31448), (1432, 19655), (1790, 15724), (3580, 7862), (3931, 7160)]