38979880

素因数分解:

$2^3\times 5^1\times {\mathrm{974497}}^1$

素因数の和:974508

約数の個数: 16

約数和(自身を含む): 87704820

約数和(自身を除く): 48724940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 974497, 1948994, 3897988, 4872485, 7795976, 9744970, 19489940, 38979880]

約数ペア:

[(1, 38979880), (2, 19489940), (4, 9744970), (5, 7795976), (8, 4872485), (10, 3897988), (20, 1948994), (40, 974497)]