13439660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51691}}^1$

素因数の和:51713

約数の個数: 24

約数和(自身を含む): 30394896

約数和(自身を除く): 16955236

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 51691, 103382, 206764, 258455, 516910, 671983, 1033820, 1343966, 2687932, 3359915, 6719830, 13439660]

約数ペア:

[(1, 13439660), (2, 6719830), (4, 3359915), (5, 2687932), (10, 1343966), (13, 1033820), (20, 671983), (26, 516910), (52, 258455), (65, 206764), (130, 103382), (260, 51691)]