167180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1$

素因数の和:665

約数の個数: 24

約数和(自身を含む): 378672

約数和(自身を除く): 211492

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 643, 1286, 2572, 3215, 6430, 8359, 12860, 16718, 33436, 41795, 83590, 167180]

約数ペア:

[(1, 167180), (2, 83590), (4, 41795), (5, 33436), (10, 16718), (13, 12860), (20, 8359), (26, 6430), (52, 3215), (65, 2572), (130, 1286), (260, 643)]