28854680

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{2549}}^1$

素因数の和:2843

約数の個数: 32

約数和(自身を含む): 65178000

約数和(自身を除く): 36323320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2549, 2830, 5098, 5660, 10196, 11320, 12745, 20392, 25490, 50980, 101960, 721367, 1442734, 2885468, 3606835, 5770936, 7213670, 14427340, 28854680]

約数ペア:

[(1, 28854680), (2, 14427340), (4, 7213670), (5, 5770936), (8, 3606835), (10, 2885468), (20, 1442734), (40, 721367), (283, 101960), (566, 50980), (1132, 25490), (1415, 20392), (2264, 12745), (2549, 11320), (2830, 10196), (5098, 5660)]