49799920

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5711}}^1$

素因数の和:5833

約数の個数: 40

約数和(自身を含む): 116867520

約数和(自身を除く): 67067600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 5711, 8720, 11422, 22844, 28555, 45688, 57110, 91376, 114220, 228440, 456880, 622499, 1244998, 2489996, 3112495, 4979992, 6224990, 9959984, 12449980, 24899960, 49799920]

約数ペア:

[(1, 49799920), (2, 24899960), (4, 12449980), (5, 9959984), (8, 6224990), (10, 4979992), (16, 3112495), (20, 2489996), (40, 1244998), (80, 622499), (109, 456880), (218, 228440), (436, 114220), (545, 91376), (872, 57110), (1090, 45688), (1744, 28555), (2180, 22844), (4360, 11422), (5711, 8720)]