39902210

素因数分解:

$2^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{18911}}^1$

素因数の和:19129

約数の個数: 16

約数和(自身を含む): 72168192

約数和(自身を除く): 32265982

約数列:

[1, 2, 5, 10, 211, 422, 1055, 2110, 18911, 37822, 94555, 189110, 3990221, 7980442, 19951105, 39902210]

約数ペア:

[(1, 39902210), (2, 19951105), (5, 7980442), (10, 3990221), (211, 189110), (422, 94555), (1055, 37822), (2110, 18911)]