4237880

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1999}}^1$

素因数の和:2063

約数の個数: 32

約数和(自身を含む): 9720000

約数和(自身を除く): 5482120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 1999, 2120, 3998, 7996, 9995, 15992, 19990, 39980, 79960, 105947, 211894, 423788, 529735, 847576, 1059470, 2118940, 4237880]

約数ペア:

[(1, 4237880), (2, 2118940), (4, 1059470), (5, 847576), (8, 529735), (10, 423788), (20, 211894), (40, 105947), (53, 79960), (106, 39980), (212, 19990), (265, 15992), (424, 9995), (530, 7996), (1060, 3998), (1999, 2120)]