25251860

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{17783}}^1$

素因数の和:17863

約数の個数: 24

約数和(自身を含む): 53778816

約数和(自身を除く): 28526956

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 17783, 35566, 71132, 88915, 177830, 355660, 1262593, 2525186, 5050372, 6312965, 12625930, 25251860]

約数ペア:

[(1, 25251860), (2, 12625930), (4, 6312965), (5, 5050372), (10, 2525186), (20, 1262593), (71, 355660), (142, 177830), (284, 88915), (355, 71132), (710, 35566), (1420, 17783)]