38778820

素因数分解:

$2^2\times 5^1\times {\mathrm{1033}}^1\times {\mathrm{1877}}^1$

素因数の和:2919

約数の個数: 24

約数和(自身を含む): 81557784

約数和(自身を除く): 42778964

約数列:

[1, 2, 4, 5, 10, 20, 1033, 1877, 2066, 3754, 4132, 5165, 7508, 9385, 10330, 18770, 20660, 37540, 1938941, 3877882, 7755764, 9694705, 19389410, 38778820]

約数ペア:

[(1, 38778820), (2, 19389410), (4, 9694705), (5, 7755764), (10, 3877882), (20, 1938941), (1033, 37540), (1877, 20660), (2066, 18770), (3754, 10330), (4132, 9385), (5165, 7508)]