4122940

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{977}}^1$

素因数の和:1197

約数の個数: 24

約数和(自身を含む): 8708112

約数和(自身を除く): 4585172

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 977, 1055, 1954, 2110, 3908, 4220, 4885, 9770, 19540, 206147, 412294, 824588, 1030735, 2061470, 4122940]

約数ペア:

[(1, 4122940), (2, 2061470), (4, 1030735), (5, 824588), (10, 412294), (20, 206147), (211, 19540), (422, 9770), (844, 4885), (977, 4220), (1055, 3908), (1954, 2110)]