27977860

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{20879}}^1$

素因数の和:20955

約数の個数: 24

約数和(自身を含む): 59633280

約数和(自身を除く): 31655420

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 20879, 41758, 83516, 104395, 208790, 417580, 1398893, 2797786, 5595572, 6994465, 13988930, 27977860]

約数ペア:

[(1, 27977860), (2, 13988930), (4, 6994465), (5, 5595572), (10, 2797786), (20, 1398893), (67, 417580), (134, 208790), (268, 104395), (335, 83516), (670, 41758), (1340, 20879)]