40048888

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:508

約数の個数: 64

約数和(自身を含む): 87505920

約数和(自身を除く): 47457032

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 47, 88, 92, 94, 184, 188, 253, 376, 421, 506, 517, 842, 1012, 1034, 1081, 1684, 2024, 2068, 2162, 3368, 4136, 4324, 4631, 8648, 9262, 9683, 11891, 18524, 19366, 19787, 23782, 37048, 38732, 39574, 47564, 77464, 79148, 95128, 106513, 158296, 213026, 217657, 426052, 435314, 455101, 852104, 870628, 910202, 1741256, 1820404, 3640808, 5006111, 10012222, 20024444, 40048888]

約数ペア:

[(1, 40048888), (2, 20024444), (4, 10012222), (8, 5006111), (11, 3640808), (22, 1820404), (23, 1741256), (44, 910202), (46, 870628), (47, 852104), (88, 455101), (92, 435314), (94, 426052), (184, 217657), (188, 213026), (253, 158296), (376, 106513), (421, 95128), (506, 79148), (517, 77464), (842, 47564), (1012, 39574), (1034, 38732), (1081, 37048), (1684, 23782), (2024, 19787), (2068, 19366), (2162, 18524), (3368, 11891), (4136, 9683), (4324, 9262), (4631, 8648)]