1782820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6857}}^1$

素因数の和:6879

約数の個数: 24

約数和(自身を含む): 4032504

約数和(自身を除く): 2249684

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 6857, 13714, 27428, 34285, 68570, 89141, 137140, 178282, 356564, 445705, 891410, 1782820]

約数ペア:

[(1, 1782820), (2, 891410), (4, 445705), (5, 356564), (10, 178282), (13, 137140), (20, 89141), (26, 68570), (52, 34285), (65, 27428), (130, 13714), (260, 6857)]