131351380

素因数分解:

$2^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{13711}}^1$

素因数の和:14199

約数の個数: 24

約数和(自身を含む): 276433920

約数和(自身を除く): 145082540

約数列:

[1, 2, 4, 5, 10, 20, 479, 958, 1916, 2395, 4790, 9580, 13711, 27422, 54844, 68555, 137110, 274220, 6567569, 13135138, 26270276, 32837845, 65675690, 131351380]

約数ペア:

[(1, 131351380), (2, 65675690), (4, 32837845), (5, 26270276), (10, 13135138), (20, 6567569), (479, 274220), (958, 137110), (1916, 68555), (2395, 54844), (4790, 27422), (9580, 13711)]