13157890

素因数分解:

$2^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{5003}}^1$

素因数の和:5273

約数の個数: 16

約数和(自身を含む): 23779008

約数和(自身を除く): 10621118

約数列:

[1, 2, 5, 10, 263, 526, 1315, 2630, 5003, 10006, 25015, 50030, 1315789, 2631578, 6578945, 13157890]

約数ペア:

[(1, 13157890), (2, 6578945), (5, 2631578), (10, 1315789), (263, 50030), (526, 25015), (1315, 10006), (2630, 5003)]