79908140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307339}}^1$

素因数の和:307361

約数の個数: 24

約数和(自身を含む): 180715920

約数和(自身を除く): 100807780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 307339, 614678, 1229356, 1536695, 3073390, 3995407, 6146780, 7990814, 15981628, 19977035, 39954070, 79908140]

約数ペア:

[(1, 79908140), (2, 39954070), (4, 19977035), (5, 15981628), (10, 7990814), (13, 6146780), (20, 3995407), (26, 3073390), (52, 1536695), (65, 1229356), (130, 614678), (260, 307339)]