39453860

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{4969}}^1$

素因数の和:5375

約数の個数: 24

約数和(自身を含む): 83078520

約数和(自身を除く): 43624660

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 3970, 4969, 7940, 9938, 19876, 24845, 49690, 99380, 1972693, 3945386, 7890772, 9863465, 19726930, 39453860]

約数ペア:

[(1, 39453860), (2, 19726930), (4, 9863465), (5, 7890772), (10, 3945386), (20, 1972693), (397, 99380), (794, 49690), (1588, 24845), (1985, 19876), (3970, 9938), (4969, 7940)]