16690690

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{40709}}^1$

素因数の和:40757

約数の個数: 16

約数和(自身を含む): 30776760

約数和(自身を除く): 14086070

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 40709, 81418, 203545, 407090, 1669069, 3338138, 8345345, 16690690]

約数ペア:

[(1, 16690690), (2, 8345345), (5, 3338138), (10, 1669069), (41, 407090), (82, 203545), (205, 81418), (410, 40709)]