27997420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127261}}^1$

素因数の和:127281

約数の個数: 24

約数和(自身を含む): 64140048

約数和(自身を除く): 36142628

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 127261, 254522, 509044, 636305, 1272610, 1399871, 2545220, 2799742, 5599484, 6999355, 13998710, 27997420]

約数ペア:

[(1, 27997420), (2, 13998710), (4, 6999355), (5, 5599484), (10, 2799742), (11, 2545220), (20, 1399871), (22, 1272610), (44, 636305), (55, 509044), (110, 254522), (220, 127261)]