205153910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1109}}^1\times {\mathrm{1423}}^1$

素因数の和:2552

約数の個数: 32

約数和(自身を含む): 398321280

約数和(自身を除く): 193167370

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1109, 1423, 2218, 2846, 5545, 7115, 11090, 14230, 14417, 18499, 28834, 36998, 72085, 92495, 144170, 184990, 1578107, 3156214, 7890535, 15781070, 20515391, 41030782, 102576955, 205153910]

約数ペア:

[(1, 205153910), (2, 102576955), (5, 41030782), (10, 20515391), (13, 15781070), (26, 7890535), (65, 3156214), (130, 1578107), (1109, 184990), (1423, 144170), (2218, 92495), (2846, 72085), (5545, 36998), (7115, 28834), (11090, 18499), (14230, 14417)]