39394090

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{19997}}^1$

素因数の和:20201

約数の個数: 16

約数和(自身を含む): 71272872

約数和(自身を除く): 31878782

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 19997, 39994, 99985, 199970, 3939409, 7878818, 19697045, 39394090]

約数ペア:

[(1, 39394090), (2, 19697045), (5, 7878818), (10, 3939409), (197, 199970), (394, 99985), (985, 39994), (1970, 19997)]