28271140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1499}}^1$

素因数の和:1572

約数の個数: 48

約数和(自身を含む): 63504000

約数和(自身を除く): 35232860

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 92, 115, 164, 205, 230, 410, 460, 820, 943, 1499, 1886, 2998, 3772, 4715, 5996, 7495, 9430, 14990, 18860, 29980, 34477, 61459, 68954, 122918, 137908, 172385, 245836, 307295, 344770, 614590, 689540, 1229180, 1413557, 2827114, 5654228, 7067785, 14135570, 28271140]

約数ペア:

[(1, 28271140), (2, 14135570), (4, 7067785), (5, 5654228), (10, 2827114), (20, 1413557), (23, 1229180), (41, 689540), (46, 614590), (82, 344770), (92, 307295), (115, 245836), (164, 172385), (205, 137908), (230, 122918), (410, 68954), (460, 61459), (820, 34477), (943, 29980), (1499, 18860), (1886, 14990), (2998, 9430), (3772, 7495), (4715, 5996)]