160913870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{39929}}^1$

素因数の和:39980

約数の個数: 32

約数和(自身を含む): 321995520

約数和(自身を除く): 161081650

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 39929, 79858, 199645, 399290, 519077, 1038154, 1237799, 2475598, 2595385, 5190770, 6188995, 12377990, 16091387, 32182774, 80456935, 160913870]

約数ペア:

[(1, 160913870), (2, 80456935), (5, 32182774), (10, 16091387), (13, 12377990), (26, 6188995), (31, 5190770), (62, 2595385), (65, 2475598), (130, 1237799), (155, 1038154), (310, 519077), (403, 399290), (806, 199645), (2015, 79858), (4030, 39929)]