68800940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{264619}}^1$

素因数の和:264641

約数の個数: 24

約数和(自身を含む): 155596560

約数和(自身を除く): 86795620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 264619, 529238, 1058476, 1323095, 2646190, 3440047, 5292380, 6880094, 13760188, 17200235, 34400470, 68800940]

約数ペア:

[(1, 68800940), (2, 34400470), (4, 17200235), (5, 13760188), (10, 6880094), (13, 5292380), (20, 3440047), (26, 2646190), (52, 1323095), (65, 1058476), (130, 529238), (260, 264619)]