56898790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{997}}^1$

素因数の和:1456

約数の個数: 32

約数和(自身を含む): 110658240

約数和(自身を除く): 53759450

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 439, 878, 997, 1994, 2195, 4390, 4985, 5707, 9970, 11414, 12961, 25922, 28535, 57070, 64805, 129610, 437683, 875366, 2188415, 4376830, 5689879, 11379758, 28449395, 56898790]

約数ペア:

[(1, 56898790), (2, 28449395), (5, 11379758), (10, 5689879), (13, 4376830), (26, 2188415), (65, 875366), (130, 437683), (439, 129610), (878, 64805), (997, 57070), (1994, 28535), (2195, 25922), (4390, 12961), (4985, 11414), (5707, 9970)]